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Finding the Fourth Proportional to 492,767.30, 739,150.95 and 442,903.70

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Solution

The fourth proportional to 492,767.30, 739,150.95 and 442,903.70 is: 664,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,767.30 : 739,150.95 = 442,903.70 : x
  2. Step 2: Convert to fraction form
    492,767.30/739,150.95 = 442,903.70/x
  3. Step 3: Cross multiply
    492,767.30x = 739,150.95 × 442,903.70
  4. Step 4: Simplify right side
    492,767.30x = 327,372,690,613.52
  5. Step 5: Solve for x
    x = 327,372,690,613.52/492,767.30
  6. Step 6: Final answer
    x = 664,355.55

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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.