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Finding the Fourth Proportional to 539,347.29, 744,285.56 and 297,626.69

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Solution

The fourth proportional to 539,347.29, 744,285.56 and 297,626.69 is: 410,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,347.29 : 744,285.56 = 297,626.69 : x
  2. Step 2: Convert to fraction form
    539,347.29/744,285.56 = 297,626.69/x
  3. Step 3: Cross multiply
    539,347.29x = 744,285.56 × 297,626.69
  4. Step 4: Simplify right side
    539,347.29x = 221,519,242,428.04
  5. Step 5: Solve for x
    x = 221,519,242,428.04/539,347.29
  6. Step 6: Final answer
    x = 410,717.26

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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.