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Finding the Fourth Proportional to 502,372.36, 753,274.50 and 165,321.94

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Solution

The fourth proportional to 502,372.36, 753,274.50 and 165,321.94 is: 247,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,372.36 : 753,274.50 = 165,321.94 : x
  2. Step 2: Convert to fraction form
    502,372.36/753,274.50 = 165,321.94/x
  3. Step 3: Cross multiply
    502,372.36x = 753,274.50 × 165,321.94
  4. Step 4: Simplify right side
    502,372.36x = 124,532,801,692.53
  5. Step 5: Solve for x
    x = 124,532,801,692.53/502,372.36
  6. Step 6: Final answer
    x = 247,889.44

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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.