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Finding the Fourth Proportional to 1,363.08, 2,043.16 and 541.02

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Solution

The fourth proportional to 1,363.08, 2,043.16 and 541.02 is: 810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.08 : 2,043.16 = 541.02 : x
  2. Step 2: Convert to fraction form
    1,363.08/2,043.16 = 541.02/x
  3. Step 3: Cross multiply
    1,363.08x = 2,043.16 × 541.02
  4. Step 4: Simplify right side
    1,363.08x = 1,105,390.42
  5. Step 5: Solve for x
    x = 1,105,390.42/1,363.08
  6. Step 6: Final answer
    x = 810.95

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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.