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Finding the Fourth Proportional to 541.80, 812.39 and 233.49

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Solution

The fourth proportional to 541.80, 812.39 and 233.49 is: 350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.80 : 812.39 = 233.49 : x
  2. Step 2: Convert to fraction form
    541.80/812.39 = 233.49/x
  3. Step 3: Cross multiply
    541.80x = 812.39 × 233.49
  4. Step 4: Simplify right side
    541.80x = 189,683.77
  5. Step 5: Solve for x
    x = 189,683.77/541.80
  6. Step 6: Final answer
    x = 350.10

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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.