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Finding the Fourth Proportional to 217,410.67, 325,744.21 and 170,007.45

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Solution

The fourth proportional to 217,410.67, 325,744.21 and 170,007.45 is: 254,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,410.67 : 325,744.21 = 170,007.45 : x
  2. Step 2: Convert to fraction form
    217,410.67/325,744.21 = 170,007.45/x
  3. Step 3: Cross multiply
    217,410.67x = 325,744.21 × 170,007.45
  4. Step 4: Simplify right side
    217,410.67x = 55,378,942,494.36
  5. Step 5: Solve for x
    x = 55,378,942,494.36/217,410.67
  6. Step 6: Final answer
    x = 254,720.44

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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.