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Finding the Fourth Proportional to 392,254.44, 588,381.66 and 274,156.44

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Solution

The fourth proportional to 392,254.44, 588,381.66 and 274,156.44 is: 411,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,254.44 : 588,381.66 = 274,156.44 : x
  2. Step 2: Convert to fraction form
    392,254.44/588,381.66 = 274,156.44/x
  3. Step 3: Cross multiply
    392,254.44x = 588,381.66 × 274,156.44
  4. Step 4: Simplify right side
    392,254.44x = 161,308,621,266.89
  5. Step 5: Solve for x
    x = 161,308,621,266.89/392,254.44
  6. Step 6: Final answer
    x = 411,234.66

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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.