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Finding the Fourth Proportional to 635,857, 953,933.20 and 186,559.72

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Solution

The fourth proportional to 635,857, 953,933.20 and 186,559.72 is: 279,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,857 : 953,933.20 = 186,559.72 : x
  2. Step 2: Convert to fraction form
    635,857/953,933.20 = 186,559.72/x
  3. Step 3: Cross multiply
    635,857x = 953,933.20 × 186,559.72
  4. Step 4: Simplify right side
    635,857x = 177,965,510,690.70
  5. Step 5: Solve for x
    x = 177,965,510,690.70/635,857
  6. Step 6: Final answer
    x = 279,882.92

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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.