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Finding the Fourth Proportional to 629,615.70, 944,423.55 and 496,905.30

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Solution

The fourth proportional to 629,615.70, 944,423.55 and 496,905.30 is: 745,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,615.70 : 944,423.55 = 496,905.30 : x
  2. Step 2: Convert to fraction form
    629,615.70/944,423.55 = 496,905.30/x
  3. Step 3: Cross multiply
    629,615.70x = 944,423.55 × 496,905.30
  4. Step 4: Simplify right side
    629,615.70x = 469,289,067,439.82
  5. Step 5: Solve for x
    x = 469,289,067,439.82/629,615.70
  6. Step 6: Final answer
    x = 745,357.95

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Double scale
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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.