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Finding the Fourth Proportional to 695.52, 1,043.28 and 588.06

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Solution

The fourth proportional to 695.52, 1,043.28 and 588.06 is: 882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.52 : 1,043.28 = 588.06 : x
  2. Step 2: Convert to fraction form
    695.52/1,043.28 = 588.06/x
  3. Step 3: Cross multiply
    695.52x = 1,043.28 × 588.06
  4. Step 4: Simplify right side
    695.52x = 613,511.24
  5. Step 5: Solve for x
    x = 613,511.24/695.52
  6. Step 6: Final answer
    x = 882.09

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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.