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Finding the Fourth Proportional to 539,555.56, 744,627.90 and 297,884.68

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Solution

The fourth proportional to 539,555.56, 744,627.90 and 297,884.68 is: 411,103.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,555.56 : 744,627.90 = 297,884.68 : x
  2. Step 2: Convert to fraction form
    539,555.56/744,627.90 = 297,884.68/x
  3. Step 3: Cross multiply
    539,555.56x = 744,627.90 × 297,884.68
  4. Step 4: Simplify right side
    539,555.56x = 221,813,243,710.57
  5. Step 5: Solve for x
    x = 221,813,243,710.57/539,555.56
  6. Step 6: Final answer
    x = 411,103.62

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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.