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Finding the Fourth Proportional to 1,410.48, 2,114.46 and 544.17

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Solution

The fourth proportional to 1,410.48, 2,114.46 and 544.17 is: 815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.48 : 2,114.46 = 544.17 : x
  2. Step 2: Convert to fraction form
    1,410.48/2,114.46 = 544.17/x
  3. Step 3: Cross multiply
    1,410.48x = 2,114.46 × 544.17
  4. Step 4: Simplify right side
    1,410.48x = 1,150,625.70
  5. Step 5: Solve for x
    x = 1,150,625.70/1,410.48
  6. Step 6: Final answer
    x = 815.77

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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.