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Finding the Fourth Proportional to 554,169.25, 764,753.24 and 299,520.44

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Solution

The fourth proportional to 554,169.25, 764,753.24 and 299,520.44 is: 413,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,169.25 : 764,753.24 = 299,520.44 : x
  2. Step 2: Convert to fraction form
    554,169.25/764,753.24 = 299,520.44/x
  3. Step 3: Cross multiply
    554,169.25x = 764,753.24 × 299,520.44
  4. Step 4: Simplify right side
    554,169.25x = 229,059,225,438.62
  5. Step 5: Solve for x
    x = 229,059,225,438.62/554,169.25
  6. Step 6: Final answer
    x = 413,338.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.