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Finding the Fourth Proportional to 265,170.59, 397,231.00 and 231,928.19

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Solution

The fourth proportional to 265,170.59, 397,231.00 and 231,928.19 is: 347,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,170.59 : 397,231.00 = 231,928.19 : x
  2. Step 2: Convert to fraction form
    265,170.59/397,231.00 = 231,928.19/x
  3. Step 3: Cross multiply
    265,170.59x = 397,231.00 × 231,928.19
  4. Step 4: Simplify right side
    265,170.59x = 92,129,064,275.91
  5. Step 5: Solve for x
    x = 92,129,064,275.91/265,170.59
  6. Step 6: Final answer
    x = 347,433.20

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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.