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Finding the Fourth Proportional to 291,945.79, 437,708.52 and 179,393.47

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Solution

The fourth proportional to 291,945.79, 437,708.52 and 179,393.47 is: 268,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,945.79 : 437,708.52 = 179,393.47 : x
  2. Step 2: Convert to fraction form
    291,945.79/437,708.52 = 179,393.47/x
  3. Step 3: Cross multiply
    291,945.79x = 437,708.52 × 179,393.47
  4. Step 4: Simplify right side
    291,945.79x = 78,522,050,251.36
  5. Step 5: Solve for x
    x = 78,522,050,251.36/291,945.79
  6. Step 6: Final answer
    x = 268,961.06

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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.