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Finding the Fourth Proportional to 1,468.78, 2,203.06 and 544.16

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Solution

The fourth proportional to 1,468.78, 2,203.06 and 544.16 is: 816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.78 : 2,203.06 = 544.16 : x
  2. Step 2: Convert to fraction form
    1,468.78/2,203.06 = 544.16/x
  3. Step 3: Cross multiply
    1,468.78x = 2,203.06 × 544.16
  4. Step 4: Simplify right side
    1,468.78x = 1,198,817.13
  5. Step 5: Solve for x
    x = 1,198,817.13/1,468.78
  6. Step 6: Final answer
    x = 816.20

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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.