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Finding the Fourth Proportional to 265,171.59, 397,232.50 and 231,929.19

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Solution

The fourth proportional to 265,171.59, 397,232.50 and 231,929.19 is: 347,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,171.59 : 397,232.50 = 231,929.19 : x
  2. Step 2: Convert to fraction form
    265,171.59/397,232.50 = 231,929.19/x
  3. Step 3: Cross multiply
    265,171.59x = 397,232.50 × 231,929.19
  4. Step 4: Simplify right side
    265,171.59x = 92,129,808,820.87
  5. Step 5: Solve for x
    x = 92,129,808,820.87/265,171.59
  6. Step 6: Final answer
    x = 347,434.70

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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.