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Finding the Fourth Proportional to 227,645.60, 341,468.40 and 205,095.20

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Solution

The fourth proportional to 227,645.60, 341,468.40 and 205,095.20 is: 307,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,645.60 : 341,468.40 = 205,095.20 : x
  2. Step 2: Convert to fraction form
    227,645.60/341,468.40 = 205,095.20/x
  3. Step 3: Cross multiply
    227,645.60x = 341,468.40 × 205,095.20
  4. Step 4: Simplify right side
    227,645.60x = 70,033,529,791.68
  5. Step 5: Solve for x
    x = 70,033,529,791.68/227,645.60
  6. Step 6: Final answer
    x = 307,642.80

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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.