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Finding the Fourth Proportional to 583,683.80, 875,525.70 and 209,658.20

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Solution

The fourth proportional to 583,683.80, 875,525.70 and 209,658.20 is: 314,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,683.80 : 875,525.70 = 209,658.20 : x
  2. Step 2: Convert to fraction form
    583,683.80/875,525.70 = 209,658.20/x
  3. Step 3: Cross multiply
    583,683.80x = 875,525.70 × 209,658.20
  4. Step 4: Simplify right side
    583,683.80x = 183,561,142,315.74
  5. Step 5: Solve for x
    x = 183,561,142,315.74/583,683.80
  6. Step 6: Final answer
    x = 314,487.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 583,684.80, 875,527.20 and 209,659.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.