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Finding the Fourth Proportional to 318,196.53, 477,294.62 and 93,558.83

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Solution

The fourth proportional to 318,196.53, 477,294.62 and 93,558.83 is: 140,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,196.53 : 477,294.62 = 93,558.83 : x
  2. Step 2: Convert to fraction form
    318,196.53/477,294.62 = 93,558.83/x
  3. Step 3: Cross multiply
    318,196.53x = 477,294.62 × 93,558.83
  4. Step 4: Simplify right side
    318,196.53x = 44,655,123,358.23
  5. Step 5: Solve for x
    x = 44,655,123,358.23/318,196.53
  6. Step 6: Final answer
    x = 140,338.18

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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.