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Finding the Fourth Proportional to 737,443.78, 1,106,373.42 and 667,175.46

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Solution

The fourth proportional to 737,443.78, 1,106,373.42 and 667,175.46 is: 1,000,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,443.78 : 1,106,373.42 = 667,175.46 : x
  2. Step 2: Convert to fraction form
    737,443.78/1,106,373.42 = 667,175.46/x
  3. Step 3: Cross multiply
    737,443.78x = 1,106,373.42 × 667,175.46
  4. Step 4: Simplify right side
    737,443.78x = 738,145,195,420.27
  5. Step 5: Solve for x
    x = 738,145,195,420.27/737,443.78
  6. Step 6: Final answer
    x = 1,000,951.14

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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.