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Finding the Fourth Proportional to 484,712.92, 727,074.66 and 169,171

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Solution

The fourth proportional to 484,712.92, 727,074.66 and 169,171 is: 253,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,712.92 : 727,074.66 = 169,171 : x
  2. Step 2: Convert to fraction form
    484,712.92/727,074.66 = 169,171/x
  3. Step 3: Cross multiply
    484,712.92x = 727,074.66 × 169,171
  4. Step 4: Simplify right side
    484,712.92x = 122,999,947,306.86
  5. Step 5: Solve for x
    x = 122,999,947,306.86/484,712.92
  6. Step 6: Final answer
    x = 253,758.34

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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.