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Finding the Fourth Proportional to 344,913.20, 517,960.20 and 187,449.20

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Solution

The fourth proportional to 344,913.20, 517,960.20 and 187,449.20 is: 281,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,913.20 : 517,960.20 = 187,449.20 : x
  2. Step 2: Convert to fraction form
    344,913.20/517,960.20 = 187,449.20/x
  3. Step 3: Cross multiply
    344,913.20x = 517,960.20 × 187,449.20
  4. Step 4: Simplify right side
    344,913.20x = 97,091,225,121.84
  5. Step 5: Solve for x
    x = 97,091,225,121.84/344,913.20
  6. Step 6: Final answer
    x = 281,494.66

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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.