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Finding the Fourth Proportional to 1,468.61, 2,202.97 and 544.40

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Solution

The fourth proportional to 1,468.61, 2,202.97 and 544.40 is: 816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.61 : 2,202.97 = 544.40 : x
  2. Step 2: Convert to fraction form
    1,468.61/2,202.97 = 544.40/x
  3. Step 3: Cross multiply
    1,468.61x = 2,202.97 × 544.40
  4. Step 4: Simplify right side
    1,468.61x = 1,199,296.87
  5. Step 5: Solve for x
    x = 1,199,296.87/1,468.61
  6. Step 6: Final answer
    x = 816.62

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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.