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Finding the Fourth Proportional to 367,371.21, 506,972.03 and 206,226.57

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Solution

The fourth proportional to 367,371.21, 506,972.03 and 206,226.57 is: 284,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,371.21 : 506,972.03 = 206,226.57 : x
  2. Step 2: Convert to fraction form
    367,371.21/506,972.03 = 206,226.57/x
  3. Step 3: Cross multiply
    367,371.21x = 506,972.03 × 206,226.57
  4. Step 4: Simplify right side
    367,371.21x = 104,551,101,801.70
  5. Step 5: Solve for x
    x = 104,551,101,801.70/367,371.21
  6. Step 6: Final answer
    x = 284,592.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.