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Finding the Fourth Proportional to 695.06, 1,042.54 and 175.06

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Solution

The fourth proportional to 695.06, 1,042.54 and 175.06 is: 262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.06 : 1,042.54 = 175.06 : x
  2. Step 2: Convert to fraction form
    695.06/1,042.54 = 175.06/x
  3. Step 3: Cross multiply
    695.06x = 1,042.54 × 175.06
  4. Step 4: Simplify right side
    695.06x = 182,507.05
  5. Step 5: Solve for x
    x = 182,507.05/695.06
  6. Step 6: Final answer
    x = 262.58

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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.