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Finding the Fourth Proportional to 392,360.84, 588,548.09 and 108,049.93

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Solution

The fourth proportional to 392,360.84, 588,548.09 and 108,049.93 is: 162,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,360.84 : 588,548.09 = 108,049.93 : x
  2. Step 2: Convert to fraction form
    392,360.84/588,548.09 = 108,049.93/x
  3. Step 3: Cross multiply
    392,360.84x = 588,548.09 × 108,049.93
  4. Step 4: Simplify right side
    392,360.84x = 63,592,579,926.13
  5. Step 5: Solve for x
    x = 63,592,579,926.13/392,360.84
  6. Step 6: Final answer
    x = 162,076.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.