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Finding the Fourth Proportional to 318,375.11, 477,562.66 and 93,735.58

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Solution

The fourth proportional to 318,375.11, 477,562.66 and 93,735.58 is: 140,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,375.11 : 477,562.66 = 93,735.58 : x
  2. Step 2: Convert to fraction form
    318,375.11/477,562.66 = 93,735.58/x
  3. Step 3: Cross multiply
    318,375.11x = 477,562.66 × 93,735.58
  4. Step 4: Simplify right side
    318,375.11x = 44,764,611,493.20
  5. Step 5: Solve for x
    x = 44,764,611,493.20/318,375.11
  6. Step 6: Final answer
    x = 140,603.37

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1.5x scale

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.