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Finding the Fourth Proportional to 534,915.20, 803,372.13 and 470,896.04

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Solution

The fourth proportional to 534,915.20, 803,372.13 and 470,896.04 is: 707,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,915.20 : 803,372.13 = 470,896.04 : x
  2. Step 2: Convert to fraction form
    534,915.20/803,372.13 = 470,896.04/x
  3. Step 3: Cross multiply
    534,915.20x = 803,372.13 × 470,896.04
  4. Step 4: Simplify right side
    534,915.20x = 378,304,750,646.51
  5. Step 5: Solve for x
    x = 378,304,750,646.51/534,915.20
  6. Step 6: Final answer
    x = 707,223.79

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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.