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Finding the Fourth Proportional to 701,331.08, 967,600.50 and 399,311.24

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Solution

The fourth proportional to 701,331.08, 967,600.50 and 399,311.24 is: 550,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,331.08 : 967,600.50 = 399,311.24 : x
  2. Step 2: Convert to fraction form
    701,331.08/967,600.50 = 399,311.24/x
  3. Step 3: Cross multiply
    701,331.08x = 967,600.50 × 399,311.24
  4. Step 4: Simplify right side
    701,331.08x = 386,373,755,479.62
  5. Step 5: Solve for x
    x = 386,373,755,479.62/701,331.08
  6. Step 6: Final answer
    x = 550,914.92

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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.