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Finding the Fourth Proportional to 574,588.64, 861,882.96 and 293,952.80

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Solution

The fourth proportional to 574,588.64, 861,882.96 and 293,952.80 is: 440,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,588.64 : 861,882.96 = 293,952.80 : x
  2. Step 2: Convert to fraction form
    574,588.64/861,882.96 = 293,952.80/x
  3. Step 3: Cross multiply
    574,588.64x = 861,882.96 × 293,952.80
  4. Step 4: Simplify right side
    574,588.64x = 253,352,909,364.29
  5. Step 5: Solve for x
    x = 253,352,909,364.29/574,588.64
  6. Step 6: Final answer
    x = 440,929.20

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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.