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Finding the Fourth Proportional to 1,366.16, 2,048.02 and 544.26

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Solution

The fourth proportional to 1,366.16, 2,048.02 and 544.26 is: 815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366.16 : 2,048.02 = 544.26 : x
  2. Step 2: Convert to fraction form
    1,366.16/2,048.02 = 544.26/x
  3. Step 3: Cross multiply
    1,366.16x = 2,048.02 × 544.26
  4. Step 4: Simplify right side
    1,366.16x = 1,114,655.37
  5. Step 5: Solve for x
    x = 1,114,655.37/1,366.16
  6. Step 6: Final answer
    x = 815.90

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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.