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Finding the Fourth Proportional to 291,502.72, 436,266.40 and 179,254.04

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Solution

The fourth proportional to 291,502.72, 436,266.40 and 179,254.04 is: 268,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,502.72 : 436,266.40 = 179,254.04 : x
  2. Step 2: Convert to fraction form
    291,502.72/436,266.40 = 179,254.04/x
  3. Step 3: Cross multiply
    291,502.72x = 436,266.40 × 179,254.04
  4. Step 4: Simplify right side
    291,502.72x = 78,202,514,716.26
  5. Step 5: Solve for x
    x = 78,202,514,716.26/291,502.72
  6. Step 6: Final answer
    x = 268,273.71

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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.