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Finding the Fourth Proportional to 378,726.70, 567,324.60 and 236,134.30

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Solution

The fourth proportional to 378,726.70, 567,324.60 and 236,134.30 is: 353,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,726.70 : 567,324.60 = 236,134.30 : x
  2. Step 2: Convert to fraction form
    378,726.70/567,324.60 = 236,134.30/x
  3. Step 3: Cross multiply
    378,726.70x = 567,324.60 × 236,134.30
  4. Step 4: Simplify right side
    378,726.70x = 133,964,797,293.78
  5. Step 5: Solve for x
    x = 133,964,797,293.78/378,726.70
  6. Step 6: Final answer
    x = 353,724.20

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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.