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Finding the Fourth Proportional to 332,489.80, 458,838.86 and 189,259.07

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Solution

The fourth proportional to 332,489.80, 458,838.86 and 189,259.07 is: 261,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,489.80 : 458,838.86 = 189,259.07 : x
  2. Step 2: Convert to fraction form
    332,489.80/458,838.86 = 189,259.07/x
  3. Step 3: Cross multiply
    332,489.80x = 458,838.86 × 189,259.07
  4. Step 4: Simplify right side
    332,489.80x = 86,839,413,156.12
  5. Step 5: Solve for x
    x = 86,839,413,156.12/332,489.80
  6. Step 6: Final answer
    x = 261,179.18

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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.