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Finding the Fourth Proportional to 400,559.42, 552,755.33 and 219,266.84

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Solution

The fourth proportional to 400,559.42, 552,755.33 and 219,266.84 is: 302,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,559.42 : 552,755.33 = 219,266.84 : x
  2. Step 2: Convert to fraction form
    400,559.42/552,755.33 = 219,266.84/x
  3. Step 3: Cross multiply
    400,559.42x = 552,755.33 × 219,266.84
  4. Step 4: Simplify right side
    400,559.42x = 121,200,910,642.15
  5. Step 5: Solve for x
    x = 121,200,910,642.15/400,559.42
  6. Step 6: Final answer
    x = 302,579.11

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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.