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Finding the Fourth Proportional to 265,177.80, 397,329.30 and 225,811.80

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Solution

The fourth proportional to 265,177.80, 397,329.30 and 225,811.80 is: 338,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,177.80 : 397,329.30 = 225,811.80 : x
  2. Step 2: Convert to fraction form
    265,177.80/397,329.30 = 225,811.80/x
  3. Step 3: Cross multiply
    265,177.80x = 397,329.30 × 225,811.80
  4. Step 4: Simplify right side
    265,177.80x = 89,721,644,425.74
  5. Step 5: Solve for x
    x = 89,721,644,425.74/265,177.80
  6. Step 6: Final answer
    x = 338,345.23

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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.