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Finding the Fourth Proportional to 482,118.00, 665,278.11 and 267,239.78

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Solution

The fourth proportional to 482,118.00, 665,278.11 and 267,239.78 is: 368,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,118.00 : 665,278.11 = 267,239.78 : x
  2. Step 2: Convert to fraction form
    482,118.00/665,278.11 = 267,239.78/x
  3. Step 3: Cross multiply
    482,118.00x = 665,278.11 × 267,239.78
  4. Step 4: Simplify right side
    482,118.00x = 177,788,778,665.81
  5. Step 5: Solve for x
    x = 177,788,778,665.81/482,118.00
  6. Step 6: Final answer
    x = 368,766.11

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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.