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Finding the Fourth Proportional to 265,167.80, 397,314.30 and 225,801.80

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Solution

The fourth proportional to 265,167.80, 397,314.30 and 225,801.80 is: 338,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,167.80 : 397,314.30 = 225,801.80 : x
  2. Step 2: Convert to fraction form
    265,167.80/397,314.30 = 225,801.80/x
  3. Step 3: Cross multiply
    265,167.80x = 397,314.30 × 225,801.80
  4. Step 4: Simplify right side
    265,167.80x = 89,714,284,105.74
  5. Step 5: Solve for x
    x = 89,714,284,105.74/265,167.80
  6. Step 6: Final answer
    x = 338,330.24

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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.