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Finding the Fourth Proportional to 423.14, 583.92 and 248.60

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Solution

The fourth proportional to 423.14, 583.92 and 248.60 is: 343.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    423.14 : 583.92 = 248.60 : x
  2. Step 2: Convert to fraction form
    423.14/583.92 = 248.60/x
  3. Step 3: Cross multiply
    423.14x = 583.92 × 248.60
  4. Step 4: Simplify right side
    423.14x = 145,162.51
  5. Step 5: Solve for x
    x = 145,162.51/423.14
  6. Step 6: Final answer
    x = 343.06

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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.