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Finding the Fourth Proportional to 533,769.60, 800,395.20 and 296,860.80

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Solution

The fourth proportional to 533,769.60, 800,395.20 and 296,860.80 is: 445,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,769.60 : 800,395.20 = 296,860.80 : x
  2. Step 2: Convert to fraction form
    533,769.60/800,395.20 = 296,860.80/x
  3. Step 3: Cross multiply
    533,769.60x = 800,395.20 × 296,860.80
  4. Step 4: Simplify right side
    533,769.60x = 237,605,959,388.16
  5. Step 5: Solve for x
    x = 237,605,959,388.16/533,769.60
  6. Step 6: Final answer
    x = 445,147.04

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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.