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Finding the Fourth Proportional to 373.94, 515.96 and 234.01

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Solution

The fourth proportional to 373.94, 515.96 and 234.01 is: 322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.94 : 515.96 = 234.01 : x
  2. Step 2: Convert to fraction form
    373.94/515.96 = 234.01/x
  3. Step 3: Cross multiply
    373.94x = 515.96 × 234.01
  4. Step 4: Simplify right side
    373.94x = 120,737.34
  5. Step 5: Solve for x
    x = 120,737.34/373.94
  6. Step 6: Final answer
    x = 322.88

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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.