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Finding the Fourth Proportional to 482,564.86, 665,937.47 and 267,704.92

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Solution

The fourth proportional to 482,564.86, 665,937.47 and 267,704.92 is: 369,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,564.86 : 665,937.47 = 267,704.92 : x
  2. Step 2: Convert to fraction form
    482,564.86/665,937.47 = 267,704.92/x
  3. Step 3: Cross multiply
    482,564.86x = 665,937.47 × 267,704.92
  4. Step 4: Simplify right side
    482,564.86x = 178,274,737,131.35
  5. Step 5: Solve for x
    x = 178,274,737,131.35/482,564.86
  6. Step 6: Final answer
    x = 369,431.66

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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.