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Finding the Fourth Proportional to 589,685.20, 884,527.80 and 163,220.20

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Solution

The fourth proportional to 589,685.20, 884,527.80 and 163,220.20 is: 244,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,685.20 : 884,527.80 = 163,220.20 : x
  2. Step 2: Convert to fraction form
    589,685.20/884,527.80 = 163,220.20/x
  3. Step 3: Cross multiply
    589,685.20x = 884,527.80 × 163,220.20
  4. Step 4: Simplify right side
    589,685.20x = 144,372,804,421.56
  5. Step 5: Solve for x
    x = 144,372,804,421.56/589,685.20
  6. Step 6: Final answer
    x = 244,830.30

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Half scale
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Double scale
Find fourth proportional to 589,686.20, 884,529.30 and 163,221.20
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.