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Finding the Fourth Proportional to 352,001.92, 485,766.12 and 190,856.56

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Solution

The fourth proportional to 352,001.92, 485,766.12 and 190,856.56 is: 263,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.92 : 485,766.12 = 190,856.56 : x
  2. Step 2: Convert to fraction form
    352,001.92/485,766.12 = 190,856.56/x
  3. Step 3: Cross multiply
    352,001.92x = 485,766.12 × 190,856.56
  4. Step 4: Simplify right side
    352,001.92x = 92,711,650,627.75
  5. Step 5: Solve for x
    x = 92,711,650,627.75/352,001.92
  6. Step 6: Final answer
    x = 263,383.93

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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.