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Finding the Fourth Proportional to 318,651.46, 477,812.48 and 93,983.22

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Solution

The fourth proportional to 318,651.46, 477,812.48 and 93,983.22 is: 140,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,651.46 : 477,812.48 = 93,983.22 : x
  2. Step 2: Convert to fraction form
    318,651.46/477,812.48 = 93,983.22/x
  3. Step 3: Cross multiply
    318,651.46x = 477,812.48 × 93,983.22
  4. Step 4: Simplify right side
    318,651.46x = 44,906,356,748.47
  5. Step 5: Solve for x
    x = 44,906,356,748.47/318,651.46
  6. Step 6: Final answer
    x = 140,926.26

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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.