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Finding the Fourth Proportional to 472,092.62, 708,348.24 and 247,399.63

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Solution

The fourth proportional to 472,092.62, 708,348.24 and 247,399.63 is: 371,209.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,092.62 : 708,348.24 = 247,399.63 : x
  2. Step 2: Convert to fraction form
    472,092.62/708,348.24 = 247,399.63/x
  3. Step 3: Cross multiply
    472,092.62x = 708,348.24 × 247,399.63
  4. Step 4: Simplify right side
    472,092.62x = 175,245,094,876.52
  5. Step 5: Solve for x
    x = 175,245,094,876.52/472,092.62
  6. Step 6: Final answer
    x = 371,209.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.