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Finding the Fourth Proportional to 663,065.31, 994,604.94 and 530,786.46

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Solution

The fourth proportional to 663,065.31, 994,604.94 and 530,786.46 is: 796,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,065.31 : 994,604.94 = 530,786.46 : x
  2. Step 2: Convert to fraction form
    663,065.31/994,604.94 = 530,786.46/x
  3. Step 3: Cross multiply
    663,065.31x = 994,604.94 × 530,786.46
  4. Step 4: Simplify right side
    663,065.31x = 527,922,835,201.11
  5. Step 5: Solve for x
    x = 527,922,835,201.11/663,065.31
  6. Step 6: Final answer
    x = 796,185.27

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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.