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Finding the Fourth Proportional to 543,338.52, 815,184.88 and 273,327.30

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Solution

The fourth proportional to 543,338.52, 815,184.88 and 273,327.30 is: 410,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,338.52 : 815,184.88 = 273,327.30 : x
  2. Step 2: Convert to fraction form
    543,338.52/815,184.88 = 273,327.30/x
  3. Step 3: Cross multiply
    543,338.52x = 815,184.88 × 273,327.30
  4. Step 4: Simplify right side
    543,338.52x = 222,812,282,251.22
  5. Step 5: Solve for x
    x = 222,812,282,251.22/543,338.52
  6. Step 6: Final answer
    x = 410,080.04

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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.