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Finding the Fourth Proportional to 345.25, 476.04 and 246.84

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Solution

The fourth proportional to 345.25, 476.04 and 246.84 is: 340.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.25 : 476.04 = 246.84 : x
  2. Step 2: Convert to fraction form
    345.25/476.04 = 246.84/x
  3. Step 3: Cross multiply
    345.25x = 476.04 × 246.84
  4. Step 4: Simplify right side
    345.25x = 117,505.71
  5. Step 5: Solve for x
    x = 117,505.71/345.25
  6. Step 6: Final answer
    x = 340.35

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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.