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Finding the Fourth Proportional to 296,331.20, 444,496.80 and 163,620.80

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Solution

The fourth proportional to 296,331.20, 444,496.80 and 163,620.80 is: 245,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,331.20 : 444,496.80 = 163,620.80 : x
  2. Step 2: Convert to fraction form
    296,331.20/444,496.80 = 163,620.80/x
  3. Step 3: Cross multiply
    296,331.20x = 444,496.80 × 163,620.80
  4. Step 4: Simplify right side
    296,331.20x = 72,728,922,013.44
  5. Step 5: Solve for x
    x = 72,728,922,013.44/296,331.20
  6. Step 6: Final answer
    x = 245,431.20

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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.