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Finding the Fourth Proportional to 220,881.90, 331,322.85 and 150,897.90

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Solution

The fourth proportional to 220,881.90, 331,322.85 and 150,897.90 is: 226,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,881.90 : 331,322.85 = 150,897.90 : x
  2. Step 2: Convert to fraction form
    220,881.90/331,322.85 = 150,897.90/x
  3. Step 3: Cross multiply
    220,881.90x = 331,322.85 × 150,897.90
  4. Step 4: Simplify right side
    220,881.90x = 49,995,922,287.02
  5. Step 5: Solve for x
    x = 49,995,922,287.02/220,881.90
  6. Step 6: Final answer
    x = 226,346.85

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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.