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Finding the Fourth Proportional to 995.84, 1,493.82 and 302.68

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Solution

The fourth proportional to 995.84, 1,493.82 and 302.68 is: 454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.84 : 1,493.82 = 302.68 : x
  2. Step 2: Convert to fraction form
    995.84/1,493.82 = 302.68/x
  3. Step 3: Cross multiply
    995.84x = 1,493.82 × 302.68
  4. Step 4: Simplify right side
    995.84x = 452,149.44
  5. Step 5: Solve for x
    x = 452,149.44/995.84
  6. Step 6: Final answer
    x = 454.04

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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.