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Finding the Fourth Proportional to 1,544.72, 2,317.07 and 504.79

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Solution

The fourth proportional to 1,544.72, 2,317.07 and 504.79 is: 757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.72 : 2,317.07 = 504.79 : x
  2. Step 2: Convert to fraction form
    1,544.72/2,317.07 = 504.79/x
  3. Step 3: Cross multiply
    1,544.72x = 2,317.07 × 504.79
  4. Step 4: Simplify right side
    1,544.72x = 1,169,629.23
  5. Step 5: Solve for x
    x = 1,169,629.23/1,544.72
  6. Step 6: Final answer
    x = 757.18

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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.