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Finding the Fourth Proportional to 1,576.68, 2,364.54 and 550.44

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Solution

The fourth proportional to 1,576.68, 2,364.54 and 550.44 is: 825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.68 : 2,364.54 = 550.44 : x
  2. Step 2: Convert to fraction form
    1,576.68/2,364.54 = 550.44/x
  3. Step 3: Cross multiply
    1,576.68x = 2,364.54 × 550.44
  4. Step 4: Simplify right side
    1,576.68x = 1,301,537.40
  5. Step 5: Solve for x
    x = 1,301,537.40/1,576.68
  6. Step 6: Final answer
    x = 825.49

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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.