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Finding the Fourth Proportional to 266,026.80, 398,525.64 and 222,819.24

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Solution

The fourth proportional to 266,026.80, 398,525.64 and 222,819.24 is: 333,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,026.80 : 398,525.64 = 222,819.24 : x
  2. Step 2: Convert to fraction form
    266,026.80/398,525.64 = 222,819.24/x
  3. Step 3: Cross multiply
    266,026.80x = 398,525.64 × 222,819.24
  4. Step 4: Simplify right side
    266,026.80x = 88,799,180,225.31
  5. Step 5: Solve for x
    x = 88,799,180,225.31/266,026.80
  6. Step 6: Final answer
    x = 333,797.87

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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.