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Finding the Fourth Proportional to 330,767.16, 495,524.69 and 195,426.48

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Solution

The fourth proportional to 330,767.16, 495,524.69 and 195,426.48 is: 292,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,767.16 : 495,524.69 = 195,426.48 : x
  2. Step 2: Convert to fraction form
    330,767.16/495,524.69 = 195,426.48/x
  3. Step 3: Cross multiply
    330,767.16x = 495,524.69 × 195,426.48
  4. Step 4: Simplify right side
    330,767.16x = 96,838,644,942.66
  5. Step 5: Solve for x
    x = 96,838,644,942.66/330,767.16
  6. Step 6: Final answer
    x = 292,769.83

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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.