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Finding the Fourth Proportional to 737,417.52, 1,106,334.05 and 667,149.21

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Solution

The fourth proportional to 737,417.52, 1,106,334.05 and 667,149.21 is: 1,000,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,417.52 : 1,106,334.05 = 667,149.21 : x
  2. Step 2: Convert to fraction form
    737,417.52/1,106,334.05 = 667,149.21/x
  3. Step 3: Cross multiply
    737,417.52x = 1,106,334.05 × 667,149.21
  4. Step 4: Simplify right side
    737,417.52x = 738,089,884,117.85
  5. Step 5: Solve for x
    x = 738,089,884,117.85/737,417.52
  6. Step 6: Final answer
    x = 1,000,911.78

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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.