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Finding the Fourth Proportional to 574,255.79, 861,462.49 and 195,074.74

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Solution

The fourth proportional to 574,255.79, 861,462.49 and 195,074.74 is: 292,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,255.79 : 861,462.49 = 195,074.74 : x
  2. Step 2: Convert to fraction form
    574,255.79/861,462.49 = 195,074.74/x
  3. Step 3: Cross multiply
    574,255.79x = 861,462.49 × 195,074.74
  4. Step 4: Simplify right side
    574,255.79x = 168,049,568,615.16
  5. Step 5: Solve for x
    x = 168,049,568,615.16/574,255.79
  6. Step 6: Final answer
    x = 292,638.88

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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.