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Finding the Fourth Proportional to 482,528.68, 665,835.85 and 267,614.89

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Solution

The fourth proportional to 482,528.68, 665,835.85 and 267,614.89 is: 369,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,528.68 : 665,835.85 = 267,614.89 : x
  2. Step 2: Convert to fraction form
    482,528.68/665,835.85 = 267,614.89/x
  3. Step 3: Cross multiply
    482,528.68x = 665,835.85 × 267,614.89
  4. Step 4: Simplify right side
    482,528.68x = 178,187,587,755.81
  5. Step 5: Solve for x
    x = 178,187,587,755.81/482,528.68
  6. Step 6: Final answer
    x = 369,278.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.