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Finding the Fourth Proportional to 425,985.73, 587,850.83 and 234,999.07

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Solution

The fourth proportional to 425,985.73, 587,850.83 and 234,999.07 is: 324,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,985.73 : 587,850.83 = 234,999.07 : x
  2. Step 2: Convert to fraction form
    425,985.73/587,850.83 = 234,999.07/x
  3. Step 3: Cross multiply
    425,985.73x = 587,850.83 × 234,999.07
  4. Step 4: Simplify right side
    425,985.73x = 138,144,395,409.47
  5. Step 5: Solve for x
    x = 138,144,395,409.47/425,985.73
  6. Step 6: Final answer
    x = 324,293.49

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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.