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Finding the Fourth Proportional to 415,120.19, 572,866.90 and 240,724.20

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Solution

The fourth proportional to 415,120.19, 572,866.90 and 240,724.20 is: 332,200.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,120.19 : 572,866.90 = 240,724.20 : x
  2. Step 2: Convert to fraction form
    415,120.19/572,866.90 = 240,724.20/x
  3. Step 3: Cross multiply
    415,120.19x = 572,866.90 × 240,724.20
  4. Step 4: Simplify right side
    415,120.19x = 137,902,926,459.18
  5. Step 5: Solve for x
    x = 137,902,926,459.18/415,120.19
  6. Step 6: Final answer
    x = 332,200.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.