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Finding the Fourth Proportional to 202,185.20, 303,277.80 and 198,248.60

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Solution

The fourth proportional to 202,185.20, 303,277.80 and 198,248.60 is: 297,372.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,185.20 : 303,277.80 = 198,248.60 : x
  2. Step 2: Convert to fraction form
    202,185.20/303,277.80 = 198,248.60/x
  3. Step 3: Cross multiply
    202,185.20x = 303,277.80 × 198,248.60
  4. Step 4: Simplify right side
    202,185.20x = 60,124,399,261.08
  5. Step 5: Solve for x
    x = 60,124,399,261.08/202,185.20
  6. Step 6: Final answer
    x = 297,372.90

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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.