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Finding the Fourth Proportional to 363,558.80, 501,581.28 and 210,513.44

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Solution

The fourth proportional to 363,558.80, 501,581.28 and 210,513.44 is: 290,433.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,558.80 : 501,581.28 = 210,513.44 : x
  2. Step 2: Convert to fraction form
    363,558.80/501,581.28 = 210,513.44/x
  3. Step 3: Cross multiply
    363,558.80x = 501,581.28 × 210,513.44
  4. Step 4: Simplify right side
    363,558.80x = 105,589,600,692.40
  5. Step 5: Solve for x
    x = 105,589,600,692.40/363,558.80
  6. Step 6: Final answer
    x = 290,433.35

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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.