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Finding the Fourth Proportional to 363,617.89, 501,807.48 and 202,462.72

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Solution

The fourth proportional to 363,617.89, 501,807.48 and 202,462.72 is: 279,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,617.89 : 501,807.48 = 202,462.72 : x
  2. Step 2: Convert to fraction form
    363,617.89/501,807.48 = 202,462.72/x
  3. Step 3: Cross multiply
    363,617.89x = 501,807.48 × 202,462.72
  4. Step 4: Simplify right side
    363,617.89x = 101,597,304,808.11
  5. Step 5: Solve for x
    x = 101,597,304,808.11/363,617.89
  6. Step 6: Final answer
    x = 279,406.79

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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.