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Finding the Fourth Proportional to 472,186.80, 708,489.33 and 247,493.82

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Solution

The fourth proportional to 472,186.80, 708,489.33 and 247,493.82 is: 371,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,186.80 : 708,489.33 = 247,493.82 : x
  2. Step 2: Convert to fraction form
    472,186.80/708,489.33 = 247,493.82/x
  3. Step 3: Cross multiply
    472,186.80x = 708,489.33 × 247,493.82
  4. Step 4: Simplify right side
    472,186.80x = 175,346,730,710.94
  5. Step 5: Solve for x
    x = 175,346,730,710.94/472,186.80
  6. Step 6: Final answer
    x = 371,350.34

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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.