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Finding the Fourth Proportional to 438,960.66, 605,761.92 and 237,756.66

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Solution

The fourth proportional to 438,960.66, 605,761.92 and 237,756.66 is: 328,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,960.66 : 605,761.92 = 237,756.66 : x
  2. Step 2: Convert to fraction form
    438,960.66/605,761.92 = 237,756.66/x
  3. Step 3: Cross multiply
    438,960.66x = 605,761.92 × 237,756.66
  4. Step 4: Simplify right side
    438,960.66x = 144,023,930,854.39
  5. Step 5: Solve for x
    x = 144,023,930,854.39/438,960.66
  6. Step 6: Final answer
    x = 328,102.14

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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.