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Finding the Fourth Proportional to 722,833.60, 1,083,472.80 and 273,380.80

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Solution

The fourth proportional to 722,833.60, 1,083,472.80 and 273,380.80 is: 409,777.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,833.60 : 1,083,472.80 = 273,380.80 : x
  2. Step 2: Convert to fraction form
    722,833.60/1,083,472.80 = 273,380.80/x
  3. Step 3: Cross multiply
    722,833.60x = 1,083,472.80 × 273,380.80
  4. Step 4: Simplify right side
    722,833.60x = 296,200,660,842.24
  5. Step 5: Solve for x
    x = 296,200,660,842.24/722,833.60
  6. Step 6: Final answer
    x = 409,777.11

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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.