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Finding the Fourth Proportional to 250,295.97, 345,131.77 and 192,807.64

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Solution

The fourth proportional to 250,295.97, 345,131.77 and 192,807.64 is: 265,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,295.97 : 345,131.77 = 192,807.64 : x
  2. Step 2: Convert to fraction form
    250,295.97/345,131.77 = 192,807.64/x
  3. Step 3: Cross multiply
    250,295.97x = 345,131.77 × 192,807.64
  4. Step 4: Simplify right side
    250,295.97x = 66,544,039,373.03
  5. Step 5: Solve for x
    x = 66,544,039,373.03/250,295.97
  6. Step 6: Final answer
    x = 265,861.41

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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.