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Finding the Fourth Proportional to 449,059.55, 619,686.75 and 267,677.97

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Solution

The fourth proportional to 449,059.55, 619,686.75 and 267,677.97 is: 369,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,059.55 : 619,686.75 = 267,677.97 : x
  2. Step 2: Convert to fraction form
    449,059.55/619,686.75 = 267,677.97/x
  3. Step 3: Cross multiply
    449,059.55x = 619,686.75 × 267,677.97
  4. Step 4: Simplify right side
    449,059.55x = 165,876,489,955.87
  5. Step 5: Solve for x
    x = 165,876,489,955.87/449,059.55
  6. Step 6: Final answer
    x = 369,386.40

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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.