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Finding the Fourth Proportional to 202,367.70, 303,551.55 and 199,257.30

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Solution

The fourth proportional to 202,367.70, 303,551.55 and 199,257.30 is: 298,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,367.70 : 303,551.55 = 199,257.30 : x
  2. Step 2: Convert to fraction form
    202,367.70/303,551.55 = 199,257.30/x
  3. Step 3: Cross multiply
    202,367.70x = 303,551.55 × 199,257.30
  4. Step 4: Simplify right side
    202,367.70x = 60,484,862,263.82
  5. Step 5: Solve for x
    x = 60,484,862,263.82/202,367.70
  6. Step 6: Final answer
    x = 298,885.95

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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.