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Finding the Fourth Proportional to 364,552.38, 503,086.70 and 211,626

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Solution

The fourth proportional to 364,552.38, 503,086.70 and 211,626 is: 292,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,552.38 : 503,086.70 = 211,626 : x
  2. Step 2: Convert to fraction form
    364,552.38/503,086.70 = 211,626/x
  3. Step 3: Cross multiply
    364,552.38x = 503,086.70 × 211,626
  4. Step 4: Simplify right side
    364,552.38x = 106,466,225,974.20
  5. Step 5: Solve for x
    x = 106,466,225,974.20/364,552.38
  6. Step 6: Final answer
    x = 292,046.44

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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.