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Finding the Fourth Proportional to 539,606.53, 744,647.56 and 297,882.89

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Solution

The fourth proportional to 539,606.53, 744,647.56 and 297,882.89 is: 411,073.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,606.53 : 744,647.56 = 297,882.89 : x
  2. Step 2: Convert to fraction form
    539,606.53/744,647.56 = 297,882.89/x
  3. Step 3: Cross multiply
    539,606.53x = 744,647.56 × 297,882.89
  4. Step 4: Simplify right side
    539,606.53x = 221,817,762,736.30
  5. Step 5: Solve for x
    x = 221,817,762,736.30/539,606.53
  6. Step 6: Final answer
    x = 411,073.16

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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.