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Finding the Fourth Proportional to 463,724.80, 695,587.20 and 370,412.80

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Solution

The fourth proportional to 463,724.80, 695,587.20 and 370,412.80 is: 555,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,724.80 : 695,587.20 = 370,412.80 : x
  2. Step 2: Convert to fraction form
    463,724.80/695,587.20 = 370,412.80/x
  3. Step 3: Cross multiply
    463,724.80x = 695,587.20 × 370,412.80
  4. Step 4: Simplify right side
    463,724.80x = 257,654,402,396.16
  5. Step 5: Solve for x
    x = 257,654,402,396.16/463,724.80
  6. Step 6: Final answer
    x = 555,619.20

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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.