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Finding the Fourth Proportional to 301,122.52, 415,519.12 and 173,839.12

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Solution

The fourth proportional to 301,122.52, 415,519.12 and 173,839.12 is: 239,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,122.52 : 415,519.12 = 173,839.12 : x
  2. Step 2: Convert to fraction form
    301,122.52/415,519.12 = 173,839.12/x
  3. Step 3: Cross multiply
    301,122.52x = 415,519.12 × 173,839.12
  4. Step 4: Simplify right side
    301,122.52x = 72,233,478,163.97
  5. Step 5: Solve for x
    x = 72,233,478,163.97/301,122.52
  6. Step 6: Final answer
    x = 239,880.69

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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.