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Finding the Fourth Proportional to 484,333.92, 726,493.58 and 217,906.29

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Solution

The fourth proportional to 484,333.92, 726,493.58 and 217,906.29 is: 326,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,333.92 : 726,493.58 = 217,906.29 : x
  2. Step 2: Convert to fraction form
    484,333.92/726,493.58 = 217,906.29/x
  3. Step 3: Cross multiply
    484,333.92x = 726,493.58 × 217,906.29
  4. Step 4: Simplify right side
    484,333.92x = 158,307,519,637.09
  5. Step 5: Solve for x
    x = 158,307,519,637.09/484,333.92
  6. Step 6: Final answer
    x = 326,856.15

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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.