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Finding the Fourth Proportional to 1,183.19, 1,773.95 and 524.71

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Solution

The fourth proportional to 1,183.19, 1,773.95 and 524.71 is: 786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.19 : 1,773.95 = 524.71 : x
  2. Step 2: Convert to fraction form
    1,183.19/1,773.95 = 524.71/x
  3. Step 3: Cross multiply
    1,183.19x = 1,773.95 × 524.71
  4. Step 4: Simplify right side
    1,183.19x = 930,797.81
  5. Step 5: Solve for x
    x = 930,797.81/1,183.19
  6. Step 6: Final answer
    x = 786.69

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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.