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Finding the Fourth Proportional to 695.29, 1,042.82 and 233.03

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Solution

The fourth proportional to 695.29, 1,042.82 and 233.03 is: 349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.29 : 1,042.82 = 233.03 : x
  2. Step 2: Convert to fraction form
    695.29/1,042.82 = 233.03/x
  3. Step 3: Cross multiply
    695.29x = 1,042.82 × 233.03
  4. Step 4: Simplify right side
    695.29x = 243,006.11
  5. Step 5: Solve for x
    x = 243,006.11/695.29
  6. Step 6: Final answer
    x = 349.50

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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.