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Finding the Fourth Proportional to 291,494.96, 436,254.81 and 179,246.27

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Solution

The fourth proportional to 291,494.96, 436,254.81 and 179,246.27 is: 268,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,494.96 : 436,254.81 = 179,246.27 : x
  2. Step 2: Convert to fraction form
    291,494.96/436,254.81 = 179,246.27/x
  3. Step 3: Cross multiply
    291,494.96x = 436,254.81 × 179,246.27
  4. Step 4: Simplify right side
    291,494.96x = 78,197,045,280.78
  5. Step 5: Solve for x
    x = 78,197,045,280.78/291,494.96
  6. Step 6: Final answer
    x = 268,262.09

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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.