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Finding the Fourth Proportional to 1,363.10, 2,044.74 and 541.16

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Solution

The fourth proportional to 1,363.10, 2,044.74 and 541.16 is: 811.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.10 : 2,044.74 = 541.16 : x
  2. Step 2: Convert to fraction form
    1,363.10/2,044.74 = 541.16/x
  3. Step 3: Cross multiply
    1,363.10x = 2,044.74 × 541.16
  4. Step 4: Simplify right side
    1,363.10x = 1,106,531.50
  5. Step 5: Solve for x
    x = 1,106,531.50/1,363.10
  6. Step 6: Final answer
    x = 811.78

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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.