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Finding the Fourth Proportional to 1,949,640.50, 2,923,607.49 and 925,264.34

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Solution

The fourth proportional to 1,949,640.50, 2,923,607.49 and 925,264.34 is: 1,387,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949,640.50 : 2,923,607.49 = 925,264.34 : x
  2. Step 2: Convert to fraction form
    1,949,640.50/2,923,607.49 = 925,264.34/x
  3. Step 3: Cross multiply
    1,949,640.50x = 2,923,607.49 × 925,264.34
  4. Step 4: Simplify right side
    1,949,640.50x = 2,705,109,740,035.87
  5. Step 5: Solve for x
    x = 2,705,109,740,035.87/1,949,640.50
  6. Step 6: Final answer
    x = 1,387,491.56

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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.