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Finding the Fourth Proportional to 363,371.51, 501,447.78 and 202,226.51

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Solution

The fourth proportional to 363,371.51, 501,447.78 and 202,226.51 is: 279,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,371.51 : 501,447.78 = 202,226.51 : x
  2. Step 2: Convert to fraction form
    363,371.51/501,447.78 = 202,226.51/x
  3. Step 3: Cross multiply
    363,371.51x = 501,447.78 × 202,226.51
  4. Step 4: Simplify right side
    363,371.51x = 101,406,031,989.41
  5. Step 5: Solve for x
    x = 101,406,031,989.41/363,371.51
  6. Step 6: Final answer
    x = 279,069.85

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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.