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Finding the Fourth Proportional to 705.94, 1,058.91 and 568.34

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Solution

The fourth proportional to 705.94, 1,058.91 and 568.34 is: 852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    705.94 : 1,058.91 = 568.34 : x
  2. Step 2: Convert to fraction form
    705.94/1,058.91 = 568.34/x
  3. Step 3: Cross multiply
    705.94x = 1,058.91 × 568.34
  4. Step 4: Simplify right side
    705.94x = 601,820.91
  5. Step 5: Solve for x
    x = 601,820.91/705.94
  6. Step 6: Final answer
    x = 852.51

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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.