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Finding the Fourth Proportional to 217,059.80, 325,589.70 and 195,632.60

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Solution

The fourth proportional to 217,059.80, 325,589.70 and 195,632.60 is: 293,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,059.80 : 325,589.70 = 195,632.60 : x
  2. Step 2: Convert to fraction form
    217,059.80/325,589.70 = 195,632.60/x
  3. Step 3: Cross multiply
    217,059.80x = 325,589.70 × 195,632.60
  4. Step 4: Simplify right side
    217,059.80x = 63,695,959,544.22
  5. Step 5: Solve for x
    x = 63,695,959,544.22/217,059.80
  6. Step 6: Final answer
    x = 293,448.90

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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.