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Finding the Fourth Proportional to 611,641.26, 844,132.05 and 350,020.85

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Solution

The fourth proportional to 611,641.26, 844,132.05 and 350,020.85 is: 483,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,641.26 : 844,132.05 = 350,020.85 : x
  2. Step 2: Convert to fraction form
    611,641.26/844,132.05 = 350,020.85/x
  3. Step 3: Cross multiply
    611,641.26x = 844,132.05 × 350,020.85
  4. Step 4: Simplify right side
    611,641.26x = 295,463,813,432.58
  5. Step 5: Solve for x
    x = 295,463,813,432.58/611,641.26
  6. Step 6: Final answer
    x = 483,067.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.