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Finding the Fourth Proportional to 404,793.48, 558,380.84 and 261,553.52

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Solution

The fourth proportional to 404,793.48, 558,380.84 and 261,553.52 is: 360,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,793.48 : 558,380.84 = 261,553.52 : x
  2. Step 2: Convert to fraction form
    404,793.48/558,380.84 = 261,553.52/x
  3. Step 3: Cross multiply
    404,793.48x = 558,380.84 × 261,553.52
  4. Step 4: Simplify right side
    404,793.48x = 146,046,474,290.74
  5. Step 5: Solve for x
    x = 146,046,474,290.74/404,793.48
  6. Step 6: Final answer
    x = 360,792.55

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1.5x scale

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.