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Finding the Fourth Proportional to 347,234.85, 520,889.64 and 110,522.17

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Solution

The fourth proportional to 347,234.85, 520,889.64 and 110,522.17 is: 165,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,234.85 : 520,889.64 = 110,522.17 : x
  2. Step 2: Convert to fraction form
    347,234.85/520,889.64 = 110,522.17/x
  3. Step 3: Cross multiply
    347,234.85x = 520,889.64 × 110,522.17
  4. Step 4: Simplify right side
    347,234.85x = 57,569,853,579.97
  5. Step 5: Solve for x
    x = 57,569,853,579.97/347,234.85
  6. Step 6: Final answer
    x = 165,795.15

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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.