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Finding the Fourth Proportional to 517,310.01, 775,997.82 and 162,338.04

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Solution

The fourth proportional to 517,310.01, 775,997.82 and 162,338.04 is: 243,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,310.01 : 775,997.82 = 162,338.04 : x
  2. Step 2: Convert to fraction form
    517,310.01/775,997.82 = 162,338.04/x
  3. Step 3: Cross multiply
    517,310.01x = 775,997.82 × 162,338.04
  4. Step 4: Simplify right side
    517,310.01x = 125,973,965,143.07
  5. Step 5: Solve for x
    x = 125,973,965,143.07/517,310.01
  6. Step 6: Final answer
    x = 243,517.35

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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.