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Finding the Fourth Proportional to 307,791.08, 424,752.10 and 173,667.56

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Solution

The fourth proportional to 307,791.08, 424,752.10 and 173,667.56 is: 239,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,791.08 : 424,752.10 = 173,667.56 : x
  2. Step 2: Convert to fraction form
    307,791.08/424,752.10 = 173,667.56/x
  3. Step 3: Cross multiply
    307,791.08x = 424,752.10 × 173,667.56
  4. Step 4: Simplify right side
    307,791.08x = 73,765,660,811.88
  5. Step 5: Solve for x
    x = 73,765,660,811.88/307,791.08
  6. Step 6: Final answer
    x = 239,661.46

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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.