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Finding the Fourth Proportional to 217,012.20, 325,518.30 and 182,020.20

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Solution

The fourth proportional to 217,012.20, 325,518.30 and 182,020.20 is: 273,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,012.20 : 325,518.30 = 182,020.20 : x
  2. Step 2: Convert to fraction form
    217,012.20/325,518.30 = 182,020.20/x
  3. Step 3: Cross multiply
    217,012.20x = 325,518.30 × 182,020.20
  4. Step 4: Simplify right side
    217,012.20x = 59,250,906,069.66
  5. Step 5: Solve for x
    x = 59,250,906,069.66/217,012.20
  6. Step 6: Final answer
    x = 273,030.30

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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.