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Finding the Fourth Proportional to 805,974.94, 1,208,918.64 and 244,965.70

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Solution

The fourth proportional to 805,974.94, 1,208,918.64 and 244,965.70 is: 367,435.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,974.94 : 1,208,918.64 = 244,965.70 : x
  2. Step 2: Convert to fraction form
    805,974.94/1,208,918.64 = 244,965.70/x
  3. Step 3: Cross multiply
    805,974.94x = 1,208,918.64 × 244,965.70
  4. Step 4: Simplify right side
    805,974.94x = 296,143,600,890.65
  5. Step 5: Solve for x
    x = 296,143,600,890.65/805,974.94
  6. Step 6: Final answer
    x = 367,435.25

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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.