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Finding the Fourth Proportional to 230,349.19, 317,736.39 and 158,604.61

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Solution

The fourth proportional to 230,349.19, 317,736.39 and 158,604.61 is: 218,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,349.19 : 317,736.39 = 158,604.61 : x
  2. Step 2: Convert to fraction form
    230,349.19/317,736.39 = 158,604.61/x
  3. Step 3: Cross multiply
    230,349.19x = 317,736.39 × 158,604.61
  4. Step 4: Simplify right side
    230,349.19x = 50,394,456,218.76
  5. Step 5: Solve for x
    x = 50,394,456,218.76/230,349.19
  6. Step 6: Final answer
    x = 218,774.18

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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.