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Finding the Fourth Proportional to 378,366.80, 567,552.22 and 112,129.62

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Solution

The fourth proportional to 378,366.80, 567,552.22 and 112,129.62 is: 168,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,366.80 : 567,552.22 = 112,129.62 : x
  2. Step 2: Convert to fraction form
    378,366.80/567,552.22 = 112,129.62/x
  3. Step 3: Cross multiply
    378,366.80x = 567,552.22 × 112,129.62
  4. Step 4: Simplify right side
    378,366.80x = 63,639,412,350.11
  5. Step 5: Solve for x
    x = 63,639,412,350.11/378,366.80
  6. Step 6: Final answer
    x = 168,195.02

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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.