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Finding the Fourth Proportional to 247,062.39, 369,887.56 and 231,368.38

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Solution

The fourth proportional to 247,062.39, 369,887.56 and 231,368.38 is: 346,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,062.39 : 369,887.56 = 231,368.38 : x
  2. Step 2: Convert to fraction form
    247,062.39/369,887.56 = 231,368.38/x
  3. Step 3: Cross multiply
    247,062.39x = 369,887.56 × 231,368.38
  4. Step 4: Simplify right side
    247,062.39x = 85,580,287,418.28
  5. Step 5: Solve for x
    x = 85,580,287,418.28/247,062.39
  6. Step 6: Final answer
    x = 346,391.41

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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.