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Finding the Fourth Proportional to 295,812.20, 443,718.30 and 202,500.20

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Solution

The fourth proportional to 295,812.20, 443,718.30 and 202,500.20 is: 303,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,812.20 : 443,718.30 = 202,500.20 : x
  2. Step 2: Convert to fraction form
    295,812.20/443,718.30 = 202,500.20/x
  3. Step 3: Cross multiply
    295,812.20x = 443,718.30 × 202,500.20
  4. Step 4: Simplify right side
    295,812.20x = 89,853,044,493.66
  5. Step 5: Solve for x
    x = 89,853,044,493.66/295,812.20
  6. Step 6: Final answer
    x = 303,750.30

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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.