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Finding the Fourth Proportional to 705.24, 1,058.22 and 532.96

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Solution

The fourth proportional to 705.24, 1,058.22 and 532.96 is: 799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.24 : 1,058.22 = 532.96 : x
  2. Step 2: Convert to fraction form
    705.24/1,058.22 = 532.96/x
  3. Step 3: Cross multiply
    705.24x = 1,058.22 × 532.96
  4. Step 4: Simplify right side
    705.24x = 563,986.29
  5. Step 5: Solve for x
    x = 563,986.29/705.24
  6. Step 6: Final answer
    x = 799.71

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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.