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Finding the Fourth Proportional to 344,998.76, 517,334.28 and 120,331.92

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Solution

The fourth proportional to 344,998.76, 517,334.28 and 120,331.92 is: 180,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,998.76 : 517,334.28 = 120,331.92 : x
  2. Step 2: Convert to fraction form
    344,998.76/517,334.28 = 120,331.92/x
  3. Step 3: Cross multiply
    344,998.76x = 517,334.28 × 120,331.92
  4. Step 4: Simplify right side
    344,998.76x = 62,251,827,194.22
  5. Step 5: Solve for x
    x = 62,251,827,194.22/344,998.76
  6. Step 6: Final answer
    x = 180,440.73

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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.