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Finding the Fourth Proportional to 347,170.70, 520,570.82 and 164,609.66

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Solution

The fourth proportional to 347,170.70, 520,570.82 and 164,609.66 is: 246,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,170.70 : 520,570.82 = 164,609.66 : x
  2. Step 2: Convert to fraction form
    347,170.70/520,570.82 = 164,609.66/x
  3. Step 3: Cross multiply
    347,170.70x = 520,570.82 × 164,609.66
  4. Step 4: Simplify right side
    347,170.70x = 85,690,985,686.12
  5. Step 5: Solve for x
    x = 85,690,985,686.12/347,170.70
  6. Step 6: Final answer
    x = 246,826.66

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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.