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Finding the Fourth Proportional to 482,537.60, 665,923.72 and 267,677.80

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Solution

The fourth proportional to 482,537.60, 665,923.72 and 267,677.80 is: 369,407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,537.60 : 665,923.72 = 267,677.80 : x
  2. Step 2: Convert to fraction form
    482,537.60/665,923.72 = 267,677.80/x
  3. Step 3: Cross multiply
    482,537.60x = 665,923.72 × 267,677.80
  4. Step 4: Simplify right side
    482,537.60x = 178,252,996,337.42
  5. Step 5: Solve for x
    x = 178,252,996,337.42/482,537.60
  6. Step 6: Final answer
    x = 369,407.47

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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.