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Finding the Fourth Proportional to 250,954.80, 346,815.36 and 205,560.84

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Solution

The fourth proportional to 250,954.80, 346,815.36 and 205,560.84 is: 284,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,954.80 : 346,815.36 = 205,560.84 : x
  2. Step 2: Convert to fraction form
    250,954.80/346,815.36 = 205,560.84/x
  3. Step 3: Cross multiply
    250,954.80x = 346,815.36 × 205,560.84
  4. Step 4: Simplify right side
    250,954.80x = 71,291,656,726.50
  5. Step 5: Solve for x
    x = 71,291,656,726.50/250,954.80
  6. Step 6: Final answer
    x = 284,081.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.