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Finding the Fourth Proportional to 422,024.61, 582,234.98 and 276,910.50

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Solution

The fourth proportional to 422,024.61, 582,234.98 and 276,910.50 is: 382,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,024.61 : 582,234.98 = 276,910.50 : x
  2. Step 2: Convert to fraction form
    422,024.61/582,234.98 = 276,910.50/x
  3. Step 3: Cross multiply
    422,024.61x = 582,234.98 × 276,910.50
  4. Step 4: Simplify right side
    422,024.61x = 161,226,978,044.74
  5. Step 5: Solve for x
    x = 161,226,978,044.74/422,024.61
  6. Step 6: Final answer
    x = 382,032.17

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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.