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Finding the Fourth Proportional to 482,398.65, 665,750.97 and 267,607.89

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Solution

The fourth proportional to 482,398.65, 665,750.97 and 267,607.89 is: 369,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,398.65 : 665,750.97 = 267,607.89 : x
  2. Step 2: Convert to fraction form
    482,398.65/665,750.97 = 267,607.89/x
  3. Step 3: Cross multiply
    482,398.65x = 665,750.97 × 267,607.89
  4. Step 4: Simplify right side
    482,398.65x = 178,160,212,347.15
  5. Step 5: Solve for x
    x = 178,160,212,347.15/482,398.65
  6. Step 6: Final answer
    x = 369,321.54

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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.