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Finding the Fourth Proportional to 367,089.20, 550,633.80 and 273,777.20

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Solution

The fourth proportional to 367,089.20, 550,633.80 and 273,777.20 is: 410,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,089.20 : 550,633.80 = 273,777.20 : x
  2. Step 2: Convert to fraction form
    367,089.20/550,633.80 = 273,777.20/x
  3. Step 3: Cross multiply
    367,089.20x = 550,633.80 × 273,777.20
  4. Step 4: Simplify right side
    367,089.20x = 150,750,979,989.36
  5. Step 5: Solve for x
    x = 150,750,979,989.36/367,089.20
  6. Step 6: Final answer
    x = 410,665.80

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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.