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Finding the Fourth Proportional to 332,468.31, 458,823.99 and 189,274.50

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Solution

The fourth proportional to 332,468.31, 458,823.99 and 189,274.50 is: 261,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,468.31 : 458,823.99 = 189,274.50 : x
  2. Step 2: Convert to fraction form
    332,468.31/458,823.99 = 189,274.50/x
  3. Step 3: Cross multiply
    332,468.31x = 458,823.99 × 189,274.50
  4. Step 4: Simplify right side
    332,468.31x = 86,843,681,295.26
  5. Step 5: Solve for x
    x = 86,843,681,295.26/332,468.31
  6. Step 6: Final answer
    x = 261,208.90

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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.