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Finding the Fourth Proportional to 363,185.44, 500,991.12 and 217,954.08

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Solution

The fourth proportional to 363,185.44, 500,991.12 and 217,954.08 is: 300,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,185.44 : 500,991.12 = 217,954.08 : x
  2. Step 2: Convert to fraction form
    363,185.44/500,991.12 = 217,954.08/x
  3. Step 3: Cross multiply
    363,185.44x = 500,991.12 × 217,954.08
  4. Step 4: Simplify right side
    363,185.44x = 109,193,058,647.77
  5. Step 5: Solve for x
    x = 109,193,058,647.77/363,185.44
  6. Step 6: Final answer
    x = 300,653.73

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1.5x scale

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.