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Finding the Fourth Proportional to 590,234.92, 814,522.50 and 321,961

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Solution

The fourth proportional to 590,234.92, 814,522.50 and 321,961 is: 444,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,234.92 : 814,522.50 = 321,961 : x
  2. Step 2: Convert to fraction form
    590,234.92/814,522.50 = 321,961/x
  3. Step 3: Cross multiply
    590,234.92x = 814,522.50 × 321,961
  4. Step 4: Simplify right side
    590,234.92x = 262,244,478,622.50
  5. Step 5: Solve for x
    x = 262,244,478,622.50/590,234.92
  6. Step 6: Final answer
    x = 444,305.26

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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.