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Finding the Fourth Proportional to 227,766.60, 341,649.90 and 215,519.40

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Solution

The fourth proportional to 227,766.60, 341,649.90 and 215,519.40 is: 323,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,766.60 : 341,649.90 = 215,519.40 : x
  2. Step 2: Convert to fraction form
    227,766.60/341,649.90 = 215,519.40/x
  3. Step 3: Cross multiply
    227,766.60x = 341,649.90 × 215,519.40
  4. Step 4: Simplify right side
    227,766.60x = 73,632,181,458.06
  5. Step 5: Solve for x
    x = 73,632,181,458.06/227,766.60
  6. Step 6: Final answer
    x = 323,279.10

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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.