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Finding the Fourth Proportional to 741,773.19, 1,023,647 and 402,241.71

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Solution

The fourth proportional to 741,773.19, 1,023,647 and 402,241.71 is: 555,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,773.19 : 1,023,647 = 402,241.71 : x
  2. Step 2: Convert to fraction form
    741,773.19/1,023,647 = 402,241.71/x
  3. Step 3: Cross multiply
    741,773.19x = 1,023,647 × 402,241.71
  4. Step 4: Simplify right side
    741,773.19x = 411,753,519,716.37
  5. Step 5: Solve for x
    x = 411,753,519,716.37/741,773.19
  6. Step 6: Final answer
    x = 555,093.56

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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.