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Finding the Fourth Proportional to 482,132.31, 665,330.54 and 267,271.71

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Solution

The fourth proportional to 482,132.31, 665,330.54 and 267,271.71 is: 368,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,132.31 : 665,330.54 = 267,271.71 : x
  2. Step 2: Convert to fraction form
    482,132.31/665,330.54 = 267,271.71/x
  3. Step 3: Cross multiply
    482,132.31x = 665,330.54 × 267,271.71
  4. Step 4: Simplify right side
    482,132.31x = 177,824,029,804.67
  5. Step 5: Solve for x
    x = 177,824,029,804.67/482,132.31
  6. Step 6: Final answer
    x = 368,828.28

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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.