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Finding the Fourth Proportional to 577,426.52, 866,254.91 and 178,049.95

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Solution

The fourth proportional to 577,426.52, 866,254.91 and 178,049.95 is: 267,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,426.52 : 866,254.91 = 178,049.95 : x
  2. Step 2: Convert to fraction form
    577,426.52/866,254.91 = 178,049.95/x
  3. Step 3: Cross multiply
    577,426.52x = 866,254.91 × 178,049.95
  4. Step 4: Simplify right side
    577,426.52x = 154,236,640,356.87
  5. Step 5: Solve for x
    x = 154,236,640,356.87/577,426.52
  6. Step 6: Final answer
    x = 267,110.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.