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Finding the Fourth Proportional to 219,317.97, 328,228.43 and 183,819.36

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Solution

The fourth proportional to 219,317.97, 328,228.43 and 183,819.36 is: 275,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,317.97 : 328,228.43 = 183,819.36 : x
  2. Step 2: Convert to fraction form
    219,317.97/328,228.43 = 183,819.36/x
  3. Step 3: Cross multiply
    219,317.97x = 328,228.43 × 183,819.36
  4. Step 4: Simplify right side
    219,317.97x = 60,334,741,216.52
  5. Step 5: Solve for x
    x = 60,334,741,216.52/219,317.97
  6. Step 6: Final answer
    x = 275,101.68

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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.