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Finding the Fourth Proportional to 482,415.12, 665,773.74 and 267,624.38

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Solution

The fourth proportional to 482,415.12, 665,773.74 and 267,624.38 is: 369,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,415.12 : 665,773.74 = 267,624.38 : x
  2. Step 2: Convert to fraction form
    482,415.12/665,773.74 = 267,624.38/x
  3. Step 3: Cross multiply
    482,415.12x = 665,773.74 × 267,624.38
  4. Step 4: Simplify right side
    482,415.12x = 178,177,281,058.91
  5. Step 5: Solve for x
    x = 178,177,281,058.91/482,415.12
  6. Step 6: Final answer
    x = 369,344.31

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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.