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Finding the Fourth Proportional to 356,584.83, 534,680.41 and 146,370.39

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Solution

The fourth proportional to 356,584.83, 534,680.41 and 146,370.39 is: 219,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,584.83 : 534,680.41 = 146,370.39 : x
  2. Step 2: Convert to fraction form
    356,584.83/534,680.41 = 146,370.39/x
  3. Step 3: Cross multiply
    356,584.83x = 534,680.41 × 146,370.39
  4. Step 4: Simplify right side
    356,584.83x = 78,261,377,463.66
  5. Step 5: Solve for x
    x = 78,261,377,463.66/356,584.83
  6. Step 6: Final answer
    x = 219,474.78

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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.