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Finding the Fourth Proportional to 291,496.82, 436,257.64 and 179,248.13

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Solution

The fourth proportional to 291,496.82, 436,257.64 and 179,248.13 is: 268,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,496.82 : 436,257.64 = 179,248.13 : x
  2. Step 2: Convert to fraction form
    291,496.82/436,257.64 = 179,248.13/x
  3. Step 3: Cross multiply
    291,496.82x = 436,257.64 × 179,248.13
  4. Step 4: Simplify right side
    291,496.82x = 78,198,365,846.95
  5. Step 5: Solve for x
    x = 78,198,365,846.95/291,496.82
  6. Step 6: Final answer
    x = 268,264.91

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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.