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Finding the Fourth Proportional to 338,076.82, 466,577.31 and 187,173.82

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Solution

The fourth proportional to 338,076.82, 466,577.31 and 187,173.82 is: 258,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,076.82 : 466,577.31 = 187,173.82 : x
  2. Step 2: Convert to fraction form
    338,076.82/466,577.31 = 187,173.82/x
  3. Step 3: Cross multiply
    338,076.82x = 466,577.31 × 187,173.82
  4. Step 4: Simplify right side
    338,076.82x = 87,331,057,438.02
  5. Step 5: Solve for x
    x = 87,331,057,438.02/338,076.82
  6. Step 6: Final answer
    x = 258,317.20

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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.