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Finding the Fourth Proportional to 1,544.53, 2,317.13 and 448.98

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Solution

The fourth proportional to 1,544.53, 2,317.13 and 448.98 is: 673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.53 : 2,317.13 = 448.98 : x
  2. Step 2: Convert to fraction form
    1,544.53/2,317.13 = 448.98/x
  3. Step 3: Cross multiply
    1,544.53x = 2,317.13 × 448.98
  4. Step 4: Simplify right side
    1,544.53x = 1,040,337.46
  5. Step 5: Solve for x
    x = 1,040,337.46/1,544.53
  6. Step 6: Final answer
    x = 673.56

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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.