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Finding the Fourth Proportional to 337.98, 465.03 and 328.26

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Solution

The fourth proportional to 337.98, 465.03 and 328.26 is: 451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.98 : 465.03 = 328.26 : x
  2. Step 2: Convert to fraction form
    337.98/465.03 = 328.26/x
  3. Step 3: Cross multiply
    337.98x = 465.03 × 328.26
  4. Step 4: Simplify right side
    337.98x = 152,650.75
  5. Step 5: Solve for x
    x = 152,650.75/337.98
  6. Step 6: Final answer
    x = 451.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.