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Finding the Fourth Proportional to 437,451.20, 656,176.80 and 296,446.40

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Solution

The fourth proportional to 437,451.20, 656,176.80 and 296,446.40 is: 444,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,451.20 : 656,176.80 = 296,446.40 : x
  2. Step 2: Convert to fraction form
    437,451.20/656,176.80 = 296,446.40/x
  3. Step 3: Cross multiply
    437,451.20x = 656,176.80 × 296,446.40
  4. Step 4: Simplify right side
    437,451.20x = 194,521,250,123.52
  5. Step 5: Solve for x
    x = 194,521,250,123.52/437,451.20
  6. Step 6: Final answer
    x = 444,669.60

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Similar ratio
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1.5x scale

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.