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Finding the Fourth Proportional to 610,488.38, 842,473.97 and 338,597.91

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Solution

The fourth proportional to 610,488.38, 842,473.97 and 338,597.91 is: 467,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,488.38 : 842,473.97 = 338,597.91 : x
  2. Step 2: Convert to fraction form
    610,488.38/842,473.97 = 338,597.91/x
  3. Step 3: Cross multiply
    610,488.38x = 842,473.97 × 338,597.91
  4. Step 4: Simplify right side
    610,488.38x = 285,259,923,778.41
  5. Step 5: Solve for x
    x = 285,259,923,778.41/610,488.38
  6. Step 6: Final answer
    x = 467,265.12

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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.