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Finding the Fourth Proportional to 706.77, 1,058.99 and 244.31

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Solution

The fourth proportional to 706.77, 1,058.99 and 244.31 is: 366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.77 : 1,058.99 = 244.31 : x
  2. Step 2: Convert to fraction form
    706.77/1,058.99 = 244.31/x
  3. Step 3: Cross multiply
    706.77x = 1,058.99 × 244.31
  4. Step 4: Simplify right side
    706.77x = 258,715.33
  5. Step 5: Solve for x
    x = 258,715.33/706.77
  6. Step 6: Final answer
    x = 366.05

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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.