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Finding the Fourth Proportional to 450.50, 676.04 and 234

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Solution

The fourth proportional to 450.50, 676.04 and 234 is: 351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.50 : 676.04 = 234 : x
  2. Step 2: Convert to fraction form
    450.50/676.04 = 234/x
  3. Step 3: Cross multiply
    450.50x = 676.04 × 234
  4. Step 4: Simplify right side
    450.50x = 158,192.19
  5. Step 5: Solve for x
    x = 158,192.19/450.50
  6. Step 6: Final answer
    x = 351.15

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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.