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Finding the Fourth Proportional to 466,318.79, 699,478.19 and 129,359.46

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Solution

The fourth proportional to 466,318.79, 699,478.19 and 129,359.46 is: 194,039.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,318.79 : 699,478.19 = 129,359.46 : x
  2. Step 2: Convert to fraction form
    466,318.79/699,478.19 = 129,359.46/x
  3. Step 3: Cross multiply
    466,318.79x = 699,478.19 × 129,359.46
  4. Step 4: Simplify right side
    466,318.79x = 90,484,120,940.18
  5. Step 5: Solve for x
    x = 90,484,120,940.18/466,318.79
  6. Step 6: Final answer
    x = 194,039.19

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Similar ratio
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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.