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Finding the Fourth Proportional to 517,251.66, 775,876.82 and 162,293.01

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Solution

The fourth proportional to 517,251.66, 775,876.82 and 162,293.01 is: 243,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,251.66 : 775,876.82 = 162,293.01 : x
  2. Step 2: Convert to fraction form
    517,251.66/775,876.82 = 162,293.01/x
  3. Step 3: Cross multiply
    517,251.66x = 775,876.82 × 162,293.01
  4. Step 4: Simplify right side
    517,251.66x = 125,919,383,695.56
  5. Step 5: Solve for x
    x = 125,919,383,695.56/517,251.66
  6. Step 6: Final answer
    x = 243,439.30

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Similar ratio
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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.