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Finding the Fourth Proportional to 1,216.98, 1,824.48 and 567.60

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Solution

The fourth proportional to 1,216.98, 1,824.48 and 567.60 is: 850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.98 : 1,824.48 = 567.60 : x
  2. Step 2: Convert to fraction form
    1,216.98/1,824.48 = 567.60/x
  3. Step 3: Cross multiply
    1,216.98x = 1,824.48 × 567.60
  4. Step 4: Simplify right side
    1,216.98x = 1,035,574.85
  5. Step 5: Solve for x
    x = 1,035,574.85/1,216.98
  6. Step 6: Final answer
    x = 850.94

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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.