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Finding the Fourth Proportional to 995.49, 1,493.14 and 265.14

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Solution

The fourth proportional to 995.49, 1,493.14 and 265.14 is: 397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.49 : 1,493.14 = 265.14 : x
  2. Step 2: Convert to fraction form
    995.49/1,493.14 = 265.14/x
  3. Step 3: Cross multiply
    995.49x = 1,493.14 × 265.14
  4. Step 4: Simplify right side
    995.49x = 395,894.21
  5. Step 5: Solve for x
    x = 395,894.21/995.49
  6. Step 6: Final answer
    x = 397.69

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.