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Finding the Fourth Proportional to 482,432.76, 665,798.04 and 267,642

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Solution

The fourth proportional to 482,432.76, 665,798.04 and 267,642 is: 369,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,432.76 : 665,798.04 = 267,642 : x
  2. Step 2: Convert to fraction form
    482,432.76/665,798.04 = 267,642/x
  3. Step 3: Cross multiply
    482,432.76x = 665,798.04 × 267,642
  4. Step 4: Simplify right side
    482,432.76x = 178,195,519,021.68
  5. Step 5: Solve for x
    x = 178,195,519,021.68/482,432.76
  6. Step 6: Final answer
    x = 369,368.61

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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.