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Finding the Fourth Proportional to 363,428.49, 501,396.78 and 362,868

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Solution

The fourth proportional to 363,428.49, 501,396.78 and 362,868 is: 500,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,428.49 : 501,396.78 = 362,868 : x
  2. Step 2: Convert to fraction form
    363,428.49/501,396.78 = 362,868/x
  3. Step 3: Cross multiply
    363,428.49x = 501,396.78 × 362,868
  4. Step 4: Simplify right side
    363,428.49x = 181,940,846,765.04
  5. Step 5: Solve for x
    x = 181,940,846,765.04/363,428.49
  6. Step 6: Final answer
    x = 500,623.51

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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.