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Finding the Fourth Proportional to 995.44, 1,493.16 and 346.24

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Solution

The fourth proportional to 995.44, 1,493.16 and 346.24 is: 519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.44 : 1,493.16 = 346.24 : x
  2. Step 2: Convert to fraction form
    995.44/1,493.16 = 346.24/x
  3. Step 3: Cross multiply
    995.44x = 1,493.16 × 346.24
  4. Step 4: Simplify right side
    995.44x = 516,991.72
  5. Step 5: Solve for x
    x = 516,991.72/995.44
  6. Step 6: Final answer
    x = 519.36

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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.