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Finding the Fourth Proportional to 541.45, 812.31 and 233.35

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Solution

The fourth proportional to 541.45, 812.31 and 233.35 is: 350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    541.45 : 812.31 = 233.35 : x
  2. Step 2: Convert to fraction form
    541.45/812.31 = 233.35/x
  3. Step 3: Cross multiply
    541.45x = 812.31 × 233.35
  4. Step 4: Simplify right side
    541.45x = 189,553.08
  5. Step 5: Solve for x
    x = 189,553.08/541.45
  6. Step 6: Final answer
    x = 350.08

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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.