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Finding the Fourth Proportional to 318,163.71, 477,245.70 and 93,524.16

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Solution

The fourth proportional to 318,163.71, 477,245.70 and 93,524.16 is: 140,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,163.71 : 477,245.70 = 93,524.16 : x
  2. Step 2: Convert to fraction form
    318,163.71/477,245.70 = 93,524.16/x
  3. Step 3: Cross multiply
    318,163.71x = 477,245.70 × 93,524.16
  4. Step 4: Simplify right side
    318,163.71x = 44,634,003,206.11
  5. Step 5: Solve for x
    x = 44,634,003,206.11/318,163.71
  6. Step 6: Final answer
    x = 140,286.28

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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.