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Finding the Fourth Proportional to 577,670.27, 866,710.60 and 257,793.03

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Solution

The fourth proportional to 577,670.27, 866,710.60 and 257,793.03 is: 386,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,670.27 : 866,710.60 = 257,793.03 : x
  2. Step 2: Convert to fraction form
    577,670.27/866,710.60 = 257,793.03/x
  3. Step 3: Cross multiply
    577,670.27x = 866,710.60 × 257,793.03
  4. Step 4: Simplify right side
    577,670.27x = 223,431,951,062.64
  5. Step 5: Solve for x
    x = 223,431,951,062.64/577,670.27
  6. Step 6: Final answer
    x = 386,781.12

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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.