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Finding the Fourth Proportional to 444,869.27, 613,920.15 and 240,920.51

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Solution

The fourth proportional to 444,869.27, 613,920.15 and 240,920.51 is: 332,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,869.27 : 613,920.15 = 240,920.51 : x
  2. Step 2: Convert to fraction form
    444,869.27/613,920.15 = 240,920.51/x
  3. Step 3: Cross multiply
    444,869.27x = 613,920.15 × 240,920.51
  4. Step 4: Simplify right side
    444,869.27x = 147,905,957,172.08
  5. Step 5: Solve for x
    x = 147,905,957,172.08/444,869.27
  6. Step 6: Final answer
    x = 332,470.61

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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.