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Finding the Fourth Proportional to 737,447.80, 1,106,379.42 and 667,179.46

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Solution

The fourth proportional to 737,447.80, 1,106,379.42 and 667,179.46 is: 1,000,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,447.80 : 1,106,379.42 = 667,179.46 : x
  2. Step 2: Convert to fraction form
    737,447.80/1,106,379.42 = 667,179.46/x
  3. Step 3: Cross multiply
    737,447.80x = 1,106,379.42 × 667,179.46
  4. Step 4: Simplify right side
    737,447.80x = 738,153,623,990.71
  5. Step 5: Solve for x
    x = 738,153,623,990.71/737,447.80
  6. Step 6: Final answer
    x = 1,000,957.12

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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.