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Finding the Fourth Proportional to 318,874.98, 477,729.15 and 150,534.42

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Solution

The fourth proportional to 318,874.98, 477,729.15 and 150,534.42 is: 225,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,874.98 : 477,729.15 = 150,534.42 : x
  2. Step 2: Convert to fraction form
    318,874.98/477,729.15 = 150,534.42/x
  3. Step 3: Cross multiply
    318,874.98x = 477,729.15 × 150,534.42
  4. Step 4: Simplify right side
    318,874.98x = 71,914,680,512.34
  5. Step 5: Solve for x
    x = 71,914,680,512.34/318,874.98
  6. Step 6: Final answer
    x = 225,526.26

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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.