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Finding the Fourth Proportional to 228,110.40, 341,517.60 and 215,697.60

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Solution

The fourth proportional to 228,110.40, 341,517.60 and 215,697.60 is: 322,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,110.40 : 341,517.60 = 215,697.60 : x
  2. Step 2: Convert to fraction form
    228,110.40/341,517.60 = 215,697.60/x
  3. Step 3: Cross multiply
    228,110.40x = 341,517.60 × 215,697.60
  4. Step 4: Simplify right side
    228,110.40x = 73,664,526,677.76
  5. Step 5: Solve for x
    x = 73,664,526,677.76/228,110.40
  6. Step 6: Final answer
    x = 322,933.66

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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.