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Finding the Fourth Proportional to 591,638.41, 888,245.17 and 400,156.08

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Solution

The fourth proportional to 591,638.41, 888,245.17 and 400,156.08 is: 600,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,638.41 : 888,245.17 = 400,156.08 : x
  2. Step 2: Convert to fraction form
    591,638.41/888,245.17 = 400,156.08/x
  3. Step 3: Cross multiply
    591,638.41x = 888,245.17 × 400,156.08
  4. Step 4: Simplify right side
    591,638.41x = 355,436,703,305.35
  5. Step 5: Solve for x
    x = 355,436,703,305.35/591,638.41
  6. Step 6: Final answer
    x = 600,766.78

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1.5x scale

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.