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Finding the Fourth Proportional to 539,178.83, 744,062.62 and 297,471.59

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Solution

The fourth proportional to 539,178.83, 744,062.62 and 297,471.59 is: 410,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,178.83 : 744,062.62 = 297,471.59 : x
  2. Step 2: Convert to fraction form
    539,178.83/744,062.62 = 297,471.59/x
  3. Step 3: Cross multiply
    539,178.83x = 744,062.62 × 297,471.59
  4. Step 4: Simplify right side
    539,178.83x = 221,337,488,956.25
  5. Step 5: Solve for x
    x = 221,337,488,956.25/539,178.83
  6. Step 6: Final answer
    x = 410,508.50

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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.