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Finding the Fourth Proportional to 695.03, 1,042.61 and 232.81

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Solution

The fourth proportional to 695.03, 1,042.61 and 232.81 is: 349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.03 : 1,042.61 = 232.81 : x
  2. Step 2: Convert to fraction form
    695.03/1,042.61 = 232.81/x
  3. Step 3: Cross multiply
    695.03x = 1,042.61 × 232.81
  4. Step 4: Simplify right side
    695.03x = 242,730.03
  5. Step 5: Solve for x
    x = 242,730.03/695.03
  6. Step 6: Final answer
    x = 349.24

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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.