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Finding the Fourth Proportional to 363,453.89, 501,581.16 and 202,298.72

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Solution

The fourth proportional to 363,453.89, 501,581.16 and 202,298.72 is: 279,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,453.89 : 501,581.16 = 202,298.72 : x
  2. Step 2: Convert to fraction form
    363,453.89/501,581.16 = 202,298.72/x
  3. Step 3: Cross multiply
    363,453.89x = 501,581.16 × 202,298.72
  4. Step 4: Simplify right side
    363,453.89x = 101,469,224,136.21
  5. Step 5: Solve for x
    x = 101,469,224,136.21/363,453.89
  6. Step 6: Final answer
    x = 279,180.46

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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.