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Finding the Fourth Proportional to 574,896.96, 861,559.20 and 293,824.80

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Solution

The fourth proportional to 574,896.96, 861,559.20 and 293,824.80 is: 440,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,896.96 : 861,559.20 = 293,824.80 : x
  2. Step 2: Convert to fraction form
    574,896.96/861,559.20 = 293,824.80/x
  3. Step 3: Cross multiply
    574,896.96x = 861,559.20 × 293,824.80
  4. Step 4: Simplify right side
    574,896.96x = 253,147,459,628.16
  5. Step 5: Solve for x
    x = 253,147,459,628.16/574,896.96
  6. Step 6: Final answer
    x = 440,335.36

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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.