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Finding the Fourth Proportional to 737,446.80, 1,106,377.92 and 667,178.46

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Solution

The fourth proportional to 737,446.80, 1,106,377.92 and 667,178.46 is: 1,000,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,446.80 : 1,106,377.92 = 667,178.46 : x
  2. Step 2: Convert to fraction form
    737,446.80/1,106,377.92 = 667,178.46/x
  3. Step 3: Cross multiply
    737,446.80x = 1,106,377.92 × 667,178.46
  4. Step 4: Simplify right side
    737,446.80x = 738,151,516,843.60
  5. Step 5: Solve for x
    x = 738,151,516,843.60/737,446.80
  6. Step 6: Final answer
    x = 1,000,955.62

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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.