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Finding the Fourth Proportional to 347,230.40, 520,874.40 and 110,566.40

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Solution

The fourth proportional to 347,230.40, 520,874.40 and 110,566.40 is: 165,858.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,230.40 : 520,874.40 = 110,566.40 : x
  2. Step 2: Convert to fraction form
    347,230.40/520,874.40 = 110,566.40/x
  3. Step 3: Cross multiply
    347,230.40x = 520,874.40 × 110,566.40
  4. Step 4: Simplify right side
    347,230.40x = 57,591,207,260.16
  5. Step 5: Solve for x
    x = 57,591,207,260.16/347,230.40
  6. Step 6: Final answer
    x = 165,858.77

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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.