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Finding the Fourth Proportional to 575,175.69, 862,764.48 and 574,344.63

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Solution

The fourth proportional to 575,175.69, 862,764.48 and 574,344.63 is: 861,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,175.69 : 862,764.48 = 574,344.63 : x
  2. Step 2: Convert to fraction form
    575,175.69/862,764.48 = 574,344.63/x
  3. Step 3: Cross multiply
    575,175.69x = 862,764.48 × 574,344.63
  4. Step 4: Simplify right side
    575,175.69x = 495,524,146,042.74
  5. Step 5: Solve for x
    x = 495,524,146,042.74/575,175.69
  6. Step 6: Final answer
    x = 861,517.89

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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.