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Finding the Fourth Proportional to 706.36, 1,058.57 and 532.88

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Solution

The fourth proportional to 706.36, 1,058.57 and 532.88 is: 798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.36 : 1,058.57 = 532.88 : x
  2. Step 2: Convert to fraction form
    706.36/1,058.57 = 532.88/x
  3. Step 3: Cross multiply
    706.36x = 1,058.57 × 532.88
  4. Step 4: Simplify right side
    706.36x = 564,090.78
  5. Step 5: Solve for x
    x = 564,090.78/706.36
  6. Step 6: Final answer
    x = 798.59

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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.