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Finding the Fourth Proportional to 299,791.28, 413,735.55 and 170,735.21

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Solution

The fourth proportional to 299,791.28, 413,735.55 and 170,735.21 is: 235,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,791.28 : 413,735.55 = 170,735.21 : x
  2. Step 2: Convert to fraction form
    299,791.28/413,735.55 = 170,735.21/x
  3. Step 3: Cross multiply
    299,791.28x = 413,735.55 × 170,735.21
  4. Step 4: Simplify right side
    299,791.28x = 70,639,226,013.72
  5. Step 5: Solve for x
    x = 70,639,226,013.72/299,791.28
  6. Step 6: Final answer
    x = 235,628.02

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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.