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Finding the Fourth Proportional to 2,529,793, 3,794,689.50 and 756,865

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Solution

The fourth proportional to 2,529,793, 3,794,689.50 and 756,865 is: 1,135,297.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529,793 : 3,794,689.50 = 756,865 : x
  2. Step 2: Convert to fraction form
    2,529,793/3,794,689.50 = 756,865/x
  3. Step 3: Cross multiply
    2,529,793x = 3,794,689.50 × 756,865
  4. Step 4: Simplify right side
    2,529,793x = 2,872,067,668,417.50
  5. Step 5: Solve for x
    x = 2,872,067,668,417.50/2,529,793
  6. Step 6: Final answer
    x = 1,135,297.50

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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.