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Finding the Fourth Proportional to 344,976.72, 517,428.67 and 92,282.70

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Solution

The fourth proportional to 344,976.72, 517,428.67 and 92,282.70 is: 138,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,976.72 : 517,428.67 = 92,282.70 : x
  2. Step 2: Convert to fraction form
    344,976.72/517,428.67 = 92,282.70/x
  3. Step 3: Cross multiply
    344,976.72x = 517,428.67 × 92,282.70
  4. Step 4: Simplify right side
    344,976.72x = 47,749,714,725.01
  5. Step 5: Solve for x
    x = 47,749,714,725.01/344,976.72
  6. Step 6: Final answer
    x = 138,414.31

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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.