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Finding the Fourth Proportional to 291,944.76, 437,706.96 and 179,392.43

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Solution

The fourth proportional to 291,944.76, 437,706.96 and 179,392.43 is: 268,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,944.76 : 437,706.96 = 179,392.43 : x
  2. Step 2: Convert to fraction form
    291,944.76/437,706.96 = 179,392.43/x
  3. Step 3: Cross multiply
    291,944.76x = 437,706.96 × 179,392.43
  4. Step 4: Simplify right side
    291,944.76x = 78,521,315,886.43
  5. Step 5: Solve for x
    x = 78,521,315,886.43/291,944.76
  6. Step 6: Final answer
    x = 268,959.50

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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.