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Finding the Fourth Proportional to 307,563.72, 461,493 and 167,322.12

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Solution

The fourth proportional to 307,563.72, 461,493 and 167,322.12 is: 251,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,563.72 : 461,493 = 167,322.12 : x
  2. Step 2: Convert to fraction form
    307,563.72/461,493 = 167,322.12/x
  3. Step 3: Cross multiply
    307,563.72x = 461,493 × 167,322.12
  4. Step 4: Simplify right side
    307,563.72x = 77,217,987,125.16
  5. Step 5: Solve for x
    x = 77,217,987,125.16/307,563.72
  6. Step 6: Final answer
    x = 251,063.38

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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.