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Finding the Fourth Proportional to 1,363.98, 2,044.99 and 542.01

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Solution

The fourth proportional to 1,363.98, 2,044.99 and 542.01 is: 812.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.98 : 2,044.99 = 542.01 : x
  2. Step 2: Convert to fraction form
    1,363.98/2,044.99 = 542.01/x
  3. Step 3: Cross multiply
    1,363.98x = 2,044.99 × 542.01
  4. Step 4: Simplify right side
    1,363.98x = 1,108,405.03
  5. Step 5: Solve for x
    x = 1,108,405.03/1,363.98
  6. Step 6: Final answer
    x = 812.63

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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.