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Finding the Fourth Proportional to 363,522.81, 501,651.70 and 202,377.87

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Solution

The fourth proportional to 363,522.81, 501,651.70 and 202,377.87 is: 279,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,522.81 : 501,651.70 = 202,377.87 : x
  2. Step 2: Convert to fraction form
    363,522.81/501,651.70 = 202,377.87/x
  3. Step 3: Cross multiply
    363,522.81x = 501,651.70 × 202,377.87
  4. Step 4: Simplify right side
    363,522.81x = 101,523,201,984.85
  5. Step 5: Solve for x
    x = 101,523,201,984.85/363,522.81
  6. Step 6: Final answer
    x = 279,276.02

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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.