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Finding the Fourth Proportional to 575,663.72, 794,634.78 and 432,838.52

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Solution

The fourth proportional to 575,663.72, 794,634.78 and 432,838.52 is: 597,481.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,663.72 : 794,634.78 = 432,838.52 : x
  2. Step 2: Convert to fraction form
    575,663.72/794,634.78 = 432,838.52/x
  3. Step 3: Cross multiply
    575,663.72x = 794,634.78 × 432,838.52
  4. Step 4: Simplify right side
    575,663.72x = 343,948,542,115.73
  5. Step 5: Solve for x
    x = 343,948,542,115.73/575,663.72
  6. Step 6: Final answer
    x = 597,481.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.