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Finding the Fourth Proportional to 227,034.60, 340,551.90 and 191,605.20

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Solution

The fourth proportional to 227,034.60, 340,551.90 and 191,605.20 is: 287,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,034.60 : 340,551.90 = 191,605.20 : x
  2. Step 2: Convert to fraction form
    227,034.60/340,551.90 = 191,605.20/x
  3. Step 3: Cross multiply
    227,034.60x = 340,551.90 × 191,605.20
  4. Step 4: Simplify right side
    227,034.60x = 65,251,514,909.88
  5. Step 5: Solve for x
    x = 65,251,514,909.88/227,034.60
  6. Step 6: Final answer
    x = 287,407.80

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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.