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Finding the Fourth Proportional to 365,550.40, 547,250.40 and 272,468.80

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Solution

The fourth proportional to 365,550.40, 547,250.40 and 272,468.80 is: 407,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,550.40 : 547,250.40 = 272,468.80 : x
  2. Step 2: Convert to fraction form
    365,550.40/547,250.40 = 272,468.80/x
  3. Step 3: Cross multiply
    365,550.40x = 547,250.40 × 272,468.80
  4. Step 4: Simplify right side
    365,550.40x = 149,108,659,787.52
  5. Step 5: Solve for x
    x = 149,108,659,787.52/365,550.40
  6. Step 6: Final answer
    x = 407,901.78

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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.