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Finding the Fourth Proportional to 363,396.49, 501,482.15 and 202,251.51

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Solution

The fourth proportional to 363,396.49, 501,482.15 and 202,251.51 is: 279,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,396.49 : 501,482.15 = 202,251.51 : x
  2. Step 2: Convert to fraction form
    363,396.49/501,482.15 = 202,251.51/x
  3. Step 3: Cross multiply
    363,396.49x = 501,482.15 × 202,251.51
  4. Step 4: Simplify right side
    363,396.49x = 101,425,522,960.40
  5. Step 5: Solve for x
    x = 101,425,522,960.40/363,396.49
  6. Step 6: Final answer
    x = 279,104.30

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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.