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Finding the Fourth Proportional to 361,200.80, 541,801.20 and 184,053.80

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Solution

The fourth proportional to 361,200.80, 541,801.20 and 184,053.80 is: 276,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,200.80 : 541,801.20 = 184,053.80 : x
  2. Step 2: Convert to fraction form
    361,200.80/541,801.20 = 184,053.80/x
  3. Step 3: Cross multiply
    361,200.80x = 541,801.20 × 184,053.80
  4. Step 4: Simplify right side
    361,200.80x = 99,720,569,704.56
  5. Step 5: Solve for x
    x = 99,720,569,704.56/361,200.80
  6. Step 6: Final answer
    x = 276,080.70

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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.