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Finding the Fourth Proportional to 633,340.08, 950,049 and 278,521.20

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Solution

The fourth proportional to 633,340.08, 950,049 and 278,521.20 is: 417,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,340.08 : 950,049 = 278,521.20 : x
  2. Step 2: Convert to fraction form
    633,340.08/950,049 = 278,521.20/x
  3. Step 3: Cross multiply
    633,340.08x = 950,049 × 278,521.20
  4. Step 4: Simplify right side
    633,340.08x = 264,608,787,538.80
  5. Step 5: Solve for x
    x = 264,608,787,538.80/633,340.08
  6. Step 6: Final answer
    x = 417,798.90

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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.