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Finding the Fourth Proportional to 318,360.02, 477,375.71 and 93,691.28

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Solution

The fourth proportional to 318,360.02, 477,375.71 and 93,691.28 is: 140,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,360.02 : 477,375.71 = 93,691.28 : x
  2. Step 2: Convert to fraction form
    318,360.02/477,375.71 = 93,691.28/x
  3. Step 3: Cross multiply
    318,360.02x = 477,375.71 × 93,691.28
  4. Step 4: Simplify right side
    318,360.02x = 44,725,942,035.79
  5. Step 5: Solve for x
    x = 44,725,942,035.79/318,360.02
  6. Step 6: Final answer
    x = 140,488.56

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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.