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Finding the Fourth Proportional to 574,220.80, 861,514.80 and 174,937.60

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Solution

The fourth proportional to 574,220.80, 861,514.80 and 174,937.60 is: 262,462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,220.80 : 861,514.80 = 174,937.60 : x
  2. Step 2: Convert to fraction form
    574,220.80/861,514.80 = 174,937.60/x
  3. Step 3: Cross multiply
    574,220.80x = 861,514.80 × 174,937.60
  4. Step 4: Simplify right side
    574,220.80x = 150,711,331,476.48
  5. Step 5: Solve for x
    x = 150,711,331,476.48/574,220.80
  6. Step 6: Final answer
    x = 262,462.33

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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.