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Finding the Fourth Proportional to 1,183.14, 1,773.18 and 524.88

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Solution

The fourth proportional to 1,183.14, 1,773.18 and 524.88 is: 786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.14 : 1,773.18 = 524.88 : x
  2. Step 2: Convert to fraction form
    1,183.14/1,773.18 = 524.88/x
  3. Step 3: Cross multiply
    1,183.14x = 1,773.18 × 524.88
  4. Step 4: Simplify right side
    1,183.14x = 930,706.72
  5. Step 5: Solve for x
    x = 930,706.72/1,183.14
  6. Step 6: Final answer
    x = 786.64

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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.