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Finding the Fourth Proportional to 360,016.60, 496,813.28 and 198,868.18

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Solution

The fourth proportional to 360,016.60, 496,813.28 and 198,868.18 is: 274,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,016.60 : 496,813.28 = 198,868.18 : x
  2. Step 2: Convert to fraction form
    360,016.60/496,813.28 = 198,868.18/x
  3. Step 3: Cross multiply
    360,016.60x = 496,813.28 × 198,868.18
  4. Step 4: Simplify right side
    360,016.60x = 98,800,352,793.43
  5. Step 5: Solve for x
    x = 98,800,352,793.43/360,016.60
  6. Step 6: Final answer
    x = 274,432.77

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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.