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Finding the Fourth Proportional to 346,286.80, 477,876.52 and 195,383.92

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Solution

The fourth proportional to 346,286.80, 477,876.52 and 195,383.92 is: 269,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,286.80 : 477,876.52 = 195,383.92 : x
  2. Step 2: Convert to fraction form
    346,286.80/477,876.52 = 195,383.92/x
  3. Step 3: Cross multiply
    346,286.80x = 477,876.52 × 195,383.92
  4. Step 4: Simplify right side
    346,286.80x = 93,369,387,753.56
  5. Step 5: Solve for x
    x = 93,369,387,753.56/346,286.80
  6. Step 6: Final answer
    x = 269,630.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.