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Finding the Fourth Proportional to 995.51, 1,493.45 and 302.24

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Solution

The fourth proportional to 995.51, 1,493.45 and 302.24 is: 453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.51 : 1,493.45 = 302.24 : x
  2. Step 2: Convert to fraction form
    995.51/1,493.45 = 302.24/x
  3. Step 3: Cross multiply
    995.51x = 1,493.45 × 302.24
  4. Step 4: Simplify right side
    995.51x = 451,371.35
  5. Step 5: Solve for x
    x = 451,371.35/995.51
  6. Step 6: Final answer
    x = 453.41

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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.