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Finding the Fourth Proportional to 219,319.97, 328,231.43 and 183,821.37

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Solution

The fourth proportional to 219,319.97, 328,231.43 and 183,821.37 is: 275,104.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,319.97 : 328,231.43 = 183,821.37 : x
  2. Step 2: Convert to fraction form
    219,319.97/328,231.43 = 183,821.37/x
  3. Step 3: Cross multiply
    219,319.97x = 328,231.43 × 183,821.37
  4. Step 4: Simplify right side
    219,319.97x = 60,335,950,220.55
  5. Step 5: Solve for x
    x = 60,335,950,220.55/219,319.97
  6. Step 6: Final answer
    x = 275,104.69

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1.5x scale

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.