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Finding the Fourth Proportional to 217,817.68, 300,504.39 and 160,593.12

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Solution

The fourth proportional to 217,817.68, 300,504.39 and 160,593.12 is: 221,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,817.68 : 300,504.39 = 160,593.12 : x
  2. Step 2: Convert to fraction form
    217,817.68/300,504.39 = 160,593.12/x
  3. Step 3: Cross multiply
    217,817.68x = 300,504.39 × 160,593.12
  4. Step 4: Simplify right side
    217,817.68x = 48,258,937,668.16
  5. Step 5: Solve for x
    x = 48,258,937,668.16/217,817.68
  6. Step 6: Final answer
    x = 221,556.57

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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.