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Finding the Fourth Proportional to 366,839.70, 550,259.55 and 331,410.30

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Solution

The fourth proportional to 366,839.70, 550,259.55 and 331,410.30 is: 497,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.70 : 550,259.55 = 331,410.30 : x
  2. Step 2: Convert to fraction form
    366,839.70/550,259.55 = 331,410.30/x
  3. Step 3: Cross multiply
    366,839.70x = 550,259.55 × 331,410.30
  4. Step 4: Simplify right side
    366,839.70x = 182,361,682,543.37
  5. Step 5: Solve for x
    x = 182,361,682,543.37/366,839.70
  6. Step 6: Final answer
    x = 497,115.45

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Similar ratio
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1.5x scale

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.