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Finding the Fourth Proportional to 1,178,974.62, 1,766,982.87 and 504,264.06

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Solution

The fourth proportional to 1,178,974.62, 1,766,982.87 and 504,264.06 is: 755,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,974.62 : 1,766,982.87 = 504,264.06 : x
  2. Step 2: Convert to fraction form
    1,178,974.62/1,766,982.87 = 504,264.06/x
  3. Step 3: Cross multiply
    1,178,974.62x = 1,766,982.87 × 504,264.06
  4. Step 4: Simplify right side
    1,178,974.62x = 891,025,955,976.65
  5. Step 5: Solve for x
    x = 891,025,955,976.65/1,178,974.62
  6. Step 6: Final answer
    x = 755,763.48

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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.