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Finding the Fourth Proportional to 574,227.62, 861,275.82 and 153,536.30

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Solution

The fourth proportional to 574,227.62, 861,275.82 and 153,536.30 is: 230,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,227.62 : 861,275.82 = 153,536.30 : x
  2. Step 2: Convert to fraction form
    574,227.62/861,275.82 = 153,536.30/x
  3. Step 3: Cross multiply
    574,227.62x = 861,275.82 × 153,536.30
  4. Step 4: Simplify right side
    574,227.62x = 132,237,102,682.27
  5. Step 5: Solve for x
    x = 132,237,102,682.27/574,227.62
  6. Step 6: Final answer
    x = 230,286.91

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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.