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Finding the Fourth Proportional to 574,158.76, 861,422.55 and 174,876.82

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Solution

The fourth proportional to 574,158.76, 861,422.55 and 174,876.82 is: 262,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,158.76 : 861,422.55 = 174,876.82 : x
  2. Step 2: Convert to fraction form
    574,158.76/861,422.55 = 174,876.82/x
  3. Step 3: Cross multiply
    574,158.76x = 861,422.55 × 174,876.82
  4. Step 4: Simplify right side
    574,158.76x = 150,642,836,220.29
  5. Step 5: Solve for x
    x = 150,642,836,220.29/574,158.76
  6. Step 6: Final answer
    x = 262,371.40

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1.5x scale

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.