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Finding the Fourth Proportional to 378,606.48, 567,906.84 and 112,367.76

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Solution

The fourth proportional to 378,606.48, 567,906.84 and 112,367.76 is: 168,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,606.48 : 567,906.84 = 112,367.76 : x
  2. Step 2: Convert to fraction form
    378,606.48/567,906.84 = 112,367.76/x
  3. Step 3: Cross multiply
    378,606.48x = 567,906.84 × 112,367.76
  4. Step 4: Simplify right side
    378,606.48x = 63,814,419,499.48
  5. Step 5: Solve for x
    x = 63,814,419,499.48/378,606.48
  6. Step 6: Final answer
    x = 168,550.79

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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.