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Finding the Fourth Proportional to 1,136.49, 1,705.67 and 588.83

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Solution

The fourth proportional to 1,136.49, 1,705.67 and 588.83 is: 883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.49 : 1,705.67 = 588.83 : x
  2. Step 2: Convert to fraction form
    1,136.49/1,705.67 = 588.83/x
  3. Step 3: Cross multiply
    1,136.49x = 1,705.67 × 588.83
  4. Step 4: Simplify right side
    1,136.49x = 1,004,346.72
  5. Step 5: Solve for x
    x = 1,004,346.72/1,136.49
  6. Step 6: Final answer
    x = 883.73

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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.