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Finding the Fourth Proportional to 706.82, 1,058.28 and 590.37

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Solution

The fourth proportional to 706.82, 1,058.28 and 590.37 is: 883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    706.82 : 1,058.28 = 590.37 : x
  2. Step 2: Convert to fraction form
    706.82/1,058.28 = 590.37/x
  3. Step 3: Cross multiply
    706.82x = 1,058.28 × 590.37
  4. Step 4: Simplify right side
    706.82x = 624,776.76
  5. Step 5: Solve for x
    x = 624,776.76/706.82
  6. Step 6: Final answer
    x = 883.93

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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.