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Finding the Fourth Proportional to 373.34, 515.29 and 233.48

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Solution

The fourth proportional to 373.34, 515.29 and 233.48 is: 322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.34 : 515.29 = 233.48 : x
  2. Step 2: Convert to fraction form
    373.34/515.29 = 233.48/x
  3. Step 3: Cross multiply
    373.34x = 515.29 × 233.48
  4. Step 4: Simplify right side
    373.34x = 120,309.91
  5. Step 5: Solve for x
    x = 120,309.91/373.34
  6. Step 6: Final answer
    x = 322.25

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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.