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Finding the Fourth Proportional to 539,480.58, 744,488.61 and 297,757.86

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Solution

The fourth proportional to 539,480.58, 744,488.61 and 297,757.86 is: 410,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,480.58 : 744,488.61 = 297,757.86 : x
  2. Step 2: Convert to fraction form
    539,480.58/744,488.61 = 297,757.86/x
  3. Step 3: Cross multiply
    539,480.58x = 744,488.61 × 297,757.86
  4. Step 4: Simplify right side
    539,480.58x = 221,677,335,307.98
  5. Step 5: Solve for x
    x = 221,677,335,307.98/539,480.58
  6. Step 6: Final answer
    x = 410,908.83

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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.