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Finding the Fourth Proportional to 1,216.80, 1,825.20 and 600.93

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Solution

The fourth proportional to 1,216.80, 1,825.20 and 600.93 is: 901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216.80 : 1,825.20 = 600.93 : x
  2. Step 2: Convert to fraction form
    1,216.80/1,825.20 = 600.93/x
  3. Step 3: Cross multiply
    1,216.80x = 1,825.20 × 600.93
  4. Step 4: Simplify right side
    1,216.80x = 1,096,817.44
  5. Step 5: Solve for x
    x = 1,096,817.44/1,216.80
  6. Step 6: Final answer
    x = 901.40

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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.