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Finding the Fourth Proportional to 198,323.25, 297,484.88 and 50,579.25

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Solution

The fourth proportional to 198,323.25, 297,484.88 and 50,579.25 is: 75,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,323.25 : 297,484.88 = 50,579.25 : x
  2. Step 2: Convert to fraction form
    198,323.25/297,484.88 = 50,579.25/x
  3. Step 3: Cross multiply
    198,323.25x = 297,484.88 × 50,579.25
  4. Step 4: Simplify right side
    198,323.25x = 15,046,561,863.84
  5. Step 5: Solve for x
    x = 15,046,561,863.84/198,323.25
  6. Step 6: Final answer
    x = 75,868.88

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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.