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Finding the Fourth Proportional to 291,507.96, 436,274.33 and 179,259.27

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Solution

The fourth proportional to 291,507.96, 436,274.33 and 179,259.27 is: 268,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,507.96 : 436,274.33 = 179,259.27 : x
  2. Step 2: Convert to fraction form
    291,507.96/436,274.33 = 179,259.27/x
  3. Step 3: Cross multiply
    291,507.96x = 436,274.33 × 179,259.27
  4. Step 4: Simplify right side
    291,507.96x = 78,206,217,915.54
  5. Step 5: Solve for x
    x = 78,206,217,915.54/291,507.96
  6. Step 6: Final answer
    x = 268,281.59

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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.