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Finding the Fourth Proportional to 1,052.37, 1,578.66 and 504.71

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Solution

The fourth proportional to 1,052.37, 1,578.66 and 504.71 is: 757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.37 : 1,578.66 = 504.71 : x
  2. Step 2: Convert to fraction form
    1,052.37/1,578.66 = 504.71/x
  3. Step 3: Cross multiply
    1,052.37x = 1,578.66 × 504.71
  4. Step 4: Simplify right side
    1,052.37x = 796,757.60
  5. Step 5: Solve for x
    x = 796,757.60/1,052.37
  6. Step 6: Final answer
    x = 757.11

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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.