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Finding the Fourth Proportional to 318,204.64, 477,306.78 and 93,566.94

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Solution

The fourth proportional to 318,204.64, 477,306.78 and 93,566.94 is: 140,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,204.64 : 477,306.78 = 93,566.94 : x
  2. Step 2: Convert to fraction form
    318,204.64/477,306.78 = 93,566.94/x
  3. Step 3: Cross multiply
    318,204.64x = 477,306.78 × 93,566.94
  4. Step 4: Simplify right side
    318,204.64x = 44,660,134,845.85
  5. Step 5: Solve for x
    x = 44,660,134,845.85/318,204.64
  6. Step 6: Final answer
    x = 140,350.36

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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.