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Finding the Fourth Proportional to 444,593, 613,538.37 and 243,389

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Solution

The fourth proportional to 444,593, 613,538.37 and 243,389 is: 335,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,593 : 613,538.37 = 243,389 : x
  2. Step 2: Convert to fraction form
    444,593/613,538.37 = 243,389/x
  3. Step 3: Cross multiply
    444,593x = 613,538.37 × 243,389
  4. Step 4: Simplify right side
    444,593x = 149,328,490,335.93
  5. Step 5: Solve for x
    x = 149,328,490,335.93/444,593
  6. Step 6: Final answer
    x = 335,876.84

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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.