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Finding the Fourth Proportional to 444,099.92, 612,470.57 and 314,782.61

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Solution

The fourth proportional to 444,099.92, 612,470.57 and 314,782.61 is: 434,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,099.92 : 612,470.57 = 314,782.61 : x
  2. Step 2: Convert to fraction form
    444,099.92/612,470.57 = 314,782.61/x
  3. Step 3: Cross multiply
    444,099.92x = 612,470.57 × 314,782.61
  4. Step 4: Simplify right side
    444,099.92x = 192,795,079,936.52
  5. Step 5: Solve for x
    x = 192,795,079,936.52/444,099.92
  6. Step 6: Final answer
    x = 434,125.46

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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.