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Finding the Fourth Proportional to 466,371.62, 699,479.18 and 129,446.51

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Solution

The fourth proportional to 466,371.62, 699,479.18 and 129,446.51 is: 194,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,371.62 : 699,479.18 = 129,446.51 : x
  2. Step 2: Convert to fraction form
    466,371.62/699,479.18 = 129,446.51/x
  3. Step 3: Cross multiply
    466,371.62x = 699,479.18 × 129,446.51
  4. Step 4: Simplify right side
    466,371.62x = 90,545,135,009.46
  5. Step 5: Solve for x
    x = 90,545,135,009.46/466,371.62
  6. Step 6: Final answer
    x = 194,148.04

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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.