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Finding the Fourth Proportional to 318,218.60, 477,348.96 and 93,599.12

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Solution

The fourth proportional to 318,218.60, 477,348.96 and 93,599.12 is: 140,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,218.60 : 477,348.96 = 93,599.12 : x
  2. Step 2: Convert to fraction form
    318,218.60/477,348.96 = 93,599.12/x
  3. Step 3: Cross multiply
    318,218.60x = 477,348.96 × 93,599.12
  4. Step 4: Simplify right side
    318,218.60x = 44,679,442,588.92
  5. Step 5: Solve for x
    x = 44,679,442,588.92/318,218.60
  6. Step 6: Final answer
    x = 140,404.87

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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.