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Finding the Fourth Proportional to 482,118.01, 665,278.11 and 267,239.79

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Solution

The fourth proportional to 482,118.01, 665,278.11 and 267,239.79 is: 368,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,118.01 : 665,278.11 = 267,239.79 : x
  2. Step 2: Convert to fraction form
    482,118.01/665,278.11 = 267,239.79/x
  3. Step 3: Cross multiply
    482,118.01x = 665,278.11 × 267,239.79
  4. Step 4: Simplify right side
    482,118.01x = 177,788,782,408.00
  5. Step 5: Solve for x
    x = 177,788,782,408.00/482,118.01
  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.