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Finding the Fourth Proportional to 303,791.64, 419,231.14 and 167,825.58

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Solution

The fourth proportional to 303,791.64, 419,231.14 and 167,825.58 is: 231,598.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,791.64 : 419,231.14 = 167,825.58 : x
  2. Step 2: Convert to fraction form
    303,791.64/419,231.14 = 167,825.58/x
  3. Step 3: Cross multiply
    303,791.64x = 419,231.14 × 167,825.58
  4. Step 4: Simplify right side
    303,791.64x = 70,357,708,176.90
  5. Step 5: Solve for x
    x = 70,357,708,176.90/303,791.64
  6. Step 6: Final answer
    x = 231,598.57

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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.