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Finding the Fourth Proportional to 1,576.84, 2,365.26 and 550.60

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Solution

The fourth proportional to 1,576.84, 2,365.26 and 550.60 is: 825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.84 : 2,365.26 = 550.60 : x
  2. Step 2: Convert to fraction form
    1,576.84/2,365.26 = 550.60/x
  3. Step 3: Cross multiply
    1,576.84x = 2,365.26 × 550.60
  4. Step 4: Simplify right side
    1,576.84x = 1,302,312.16
  5. Step 5: Solve for x
    x = 1,302,312.16/1,576.84
  6. Step 6: Final answer
    x = 825.90

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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.