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Finding the Fourth Proportional to 695.55, 1,043.22 and 233.25

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Solution

The fourth proportional to 695.55, 1,043.22 and 233.25 is: 349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.55 : 1,043.22 = 233.25 : x
  2. Step 2: Convert to fraction form
    695.55/1,043.22 = 233.25/x
  3. Step 3: Cross multiply
    695.55x = 1,043.22 × 233.25
  4. Step 4: Simplify right side
    695.55x = 243,331.07
  5. Step 5: Solve for x
    x = 243,331.07/695.55
  6. Step 6: Final answer
    x = 349.84

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Double scale
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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.