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Finding the Fourth Proportional to 322,113.72, 444,545.10 and 178,901.76

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Solution

The fourth proportional to 322,113.72, 444,545.10 and 178,901.76 is: 246,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,113.72 : 444,545.10 = 178,901.76 : x
  2. Step 2: Convert to fraction form
    322,113.72/444,545.10 = 178,901.76/x
  3. Step 3: Cross multiply
    322,113.72x = 444,545.10 × 178,901.76
  4. Step 4: Simplify right side
    322,113.72x = 79,529,900,789.38
  5. Step 5: Solve for x
    x = 79,529,900,789.38/322,113.72
  6. Step 6: Final answer
    x = 246,900.07

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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.