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Finding the Fourth Proportional to 313,187.62, 432,200.11 and 169,947.66

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Solution

The fourth proportional to 313,187.62, 432,200.11 and 169,947.66 is: 234,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,187.62 : 432,200.11 = 169,947.66 : x
  2. Step 2: Convert to fraction form
    313,187.62/432,200.11 = 169,947.66/x
  3. Step 3: Cross multiply
    313,187.62x = 432,200.11 × 169,947.66
  4. Step 4: Simplify right side
    313,187.62x = 73,451,397,346.24
  5. Step 5: Solve for x
    x = 73,451,397,346.24/313,187.62
  6. Step 6: Final answer
    x = 234,528.42

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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.