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Finding the Fourth Proportional to 373.12, 514.72 and 235.20

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Solution

The fourth proportional to 373.12, 514.72 and 235.20 is: 324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.12 : 514.72 = 235.20 : x
  2. Step 2: Convert to fraction form
    373.12/514.72 = 235.20/x
  3. Step 3: Cross multiply
    373.12x = 514.72 × 235.20
  4. Step 4: Simplify right side
    373.12x = 121,062.14
  5. Step 5: Solve for x
    x = 121,062.14/373.12
  6. Step 6: Final answer
    x = 324.46

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