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Finding the Fourth Proportional to 539,179.92, 744,063.21 and 297,464.49

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Solution

The fourth proportional to 539,179.92, 744,063.21 and 297,464.49 is: 410,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,179.92 : 744,063.21 = 297,464.49 : x
  2. Step 2: Convert to fraction form
    539,179.92/744,063.21 = 297,464.49/x
  3. Step 3: Cross multiply
    539,179.92x = 744,063.21 × 297,464.49
  4. Step 4: Simplify right side
    539,179.92x = 221,332,383,290.41
  5. Step 5: Solve for x
    x = 221,332,383,290.41/539,179.92
  6. Step 6: Final answer
    x = 410,498.19

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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.