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Finding the Fourth Proportional to 1,363.79, 2,046.52 and 541.94

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Solution

The fourth proportional to 1,363.79, 2,046.52 and 541.94 is: 813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.79 : 2,046.52 = 541.94 : x
  2. Step 2: Convert to fraction form
    1,363.79/2,046.52 = 541.94/x
  3. Step 3: Cross multiply
    1,363.79x = 2,046.52 × 541.94
  4. Step 4: Simplify right side
    1,363.79x = 1,109,089.96
  5. Step 5: Solve for x
    x = 1,109,089.96/1,363.79
  6. Step 6: Final answer
    x = 813.24

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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.