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Finding the Fourth Proportional to 482,461.13, 665,876.07 and 267,670.40

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Solution

The fourth proportional to 482,461.13, 665,876.07 and 267,670.40 is: 369,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,461.13 : 665,876.07 = 267,670.40 : x
  2. Step 2: Convert to fraction form
    482,461.13/665,876.07 = 267,670.40/x
  3. Step 3: Cross multiply
    482,461.13x = 665,876.07 × 267,670.40
  4. Step 4: Simplify right side
    482,461.13x = 178,235,310,677.95
  5. Step 5: Solve for x
    x = 178,235,310,677.95/482,461.13
  6. Step 6: Final answer
    x = 369,429.37

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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.