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Finding the Fourth Proportional to 995.40, 1,493.37 and 302.04

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Solution

The fourth proportional to 995.40, 1,493.37 and 302.04 is: 453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.40 : 1,493.37 = 302.04 : x
  2. Step 2: Convert to fraction form
    995.40/1,493.37 = 302.04/x
  3. Step 3: Cross multiply
    995.40x = 1,493.37 × 302.04
  4. Step 4: Simplify right side
    995.40x = 451,057.47
  5. Step 5: Solve for x
    x = 451,057.47/995.40
  6. Step 6: Final answer
    x = 453.14

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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.