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Finding the Fourth Proportional to 321,718.29, 444,024.35 and 178,524.46

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Solution

The fourth proportional to 321,718.29, 444,024.35 and 178,524.46 is: 246,393.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,718.29 : 444,024.35 = 178,524.46 : x
  2. Step 2: Convert to fraction form
    321,718.29/444,024.35 = 178,524.46/x
  3. Step 3: Cross multiply
    321,718.29x = 444,024.35 × 178,524.46
  4. Step 4: Simplify right side
    321,718.29x = 79,269,207,310.60
  5. Step 5: Solve for x
    x = 79,269,207,310.60/321,718.29
  6. Step 6: Final answer
    x = 246,393.23

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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.