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Finding the Fourth Proportional to 574,365.36, 861,723.72 and 294,080.88

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Solution

The fourth proportional to 574,365.36, 861,723.72 and 294,080.88 is: 441,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,365.36 : 861,723.72 = 294,080.88 : x
  2. Step 2: Convert to fraction form
    574,365.36/861,723.72 = 294,080.88/x
  3. Step 3: Cross multiply
    574,365.36x = 861,723.72 × 294,080.88
  4. Step 4: Simplify right side
    574,365.36x = 253,416,469,894.47
  5. Step 5: Solve for x
    x = 253,416,469,894.47/574,365.36
  6. Step 6: Final answer
    x = 441,211.27

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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.