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Finding the Fourth Proportional to 291,752.97, 437,524.13 and 123,286.30

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Solution

The fourth proportional to 291,752.97, 437,524.13 and 123,286.30 is: 184,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,752.97 : 437,524.13 = 123,286.30 : x
  2. Step 2: Convert to fraction form
    291,752.97/437,524.13 = 123,286.30/x
  3. Step 3: Cross multiply
    291,752.97x = 437,524.13 × 123,286.30
  4. Step 4: Simplify right side
    291,752.97x = 53,940,730,362.82
  5. Step 5: Solve for x
    x = 53,940,730,362.82/291,752.97
  6. Step 6: Final answer
    x = 184,884.94

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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.