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Finding the Fourth Proportional to 425,985.48, 587,850.49 and 234,998.82

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Solution

The fourth proportional to 425,985.48, 587,850.49 and 234,998.82 is: 324,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,985.48 : 587,850.49 = 234,998.82 : x
  2. Step 2: Convert to fraction form
    425,985.48/587,850.49 = 234,998.82/x
  3. Step 3: Cross multiply
    425,985.48x = 587,850.49 × 234,998.82
  4. Step 4: Simplify right side
    425,985.48x = 138,144,167,372.18
  5. Step 5: Solve for x
    x = 138,144,167,372.18/425,985.48
  6. Step 6: Final answer
    x = 324,293.14

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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.