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Finding the Fourth Proportional to 431.93, 596.06 and 245.46

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Solution

The fourth proportional to 431.93, 596.06 and 245.46 is: 338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.93 : 596.06 = 245.46 : x
  2. Step 2: Convert to fraction form
    431.93/596.06 = 245.46/x
  3. Step 3: Cross multiply
    431.93x = 596.06 × 245.46
  4. Step 4: Simplify right side
    431.93x = 146,308.89
  5. Step 5: Solve for x
    x = 146,308.89/431.93
  6. Step 6: Final answer
    x = 338.73

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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.