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Finding the Fourth Proportional to 234,672.80, 352,009.20 and 226,378.40

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Solution

The fourth proportional to 234,672.80, 352,009.20 and 226,378.40 is: 339,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,672.80 : 352,009.20 = 226,378.40 : x
  2. Step 2: Convert to fraction form
    234,672.80/352,009.20 = 226,378.40/x
  3. Step 3: Cross multiply
    234,672.80x = 352,009.20 × 226,378.40
  4. Step 4: Simplify right side
    234,672.80x = 79,687,279,481.28
  5. Step 5: Solve for x
    x = 79,687,279,481.28/234,672.80
  6. Step 6: Final answer
    x = 339,567.60

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1.5x scale

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.