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Finding the Fourth Proportional to 295,687.20, 443,530.80 and 202,375.20

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Solution

The fourth proportional to 295,687.20, 443,530.80 and 202,375.20 is: 303,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,687.20 : 443,530.80 = 202,375.20 : x
  2. Step 2: Convert to fraction form
    295,687.20/443,530.80 = 202,375.20/x
  3. Step 3: Cross multiply
    295,687.20x = 443,530.80 × 202,375.20
  4. Step 4: Simplify right side
    295,687.20x = 89,759,634,356.16
  5. Step 5: Solve for x
    x = 89,759,634,356.16/295,687.20
  6. Step 6: Final answer
    x = 303,562.80

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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.