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Finding the Fourth Proportional to 363,692.72, 501,876.20 and 200,317.43

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Solution

The fourth proportional to 363,692.72, 501,876.20 and 200,317.43 is: 276,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,692.72 : 501,876.20 = 200,317.43 : x
  2. Step 2: Convert to fraction form
    363,692.72/501,876.20 = 200,317.43/x
  3. Step 3: Cross multiply
    363,692.72x = 501,876.20 × 200,317.43
  4. Step 4: Simplify right side
    363,692.72x = 100,534,547,051.20
  5. Step 5: Solve for x
    x = 100,534,547,051.20/363,692.72
  6. Step 6: Final answer
    x = 276,427.17

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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.