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Finding the Fourth Proportional to 328,464.68, 491,737.38 and 296,947.56

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Solution

The fourth proportional to 328,464.68, 491,737.38 and 296,947.56 is: 444,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,464.68 : 491,737.38 = 296,947.56 : x
  2. Step 2: Convert to fraction form
    328,464.68/491,737.38 = 296,947.56/x
  3. Step 3: Cross multiply
    328,464.68x = 491,737.38 × 296,947.56
  4. Step 4: Simplify right side
    328,464.68x = 146,020,215,151.79
  5. Step 5: Solve for x
    x = 146,020,215,151.79/328,464.68
  6. Step 6: Final answer
    x = 444,553.78

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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.