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Finding the Fourth Proportional to 546.54, 754.29 and 313.71

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Solution

The fourth proportional to 546.54, 754.29 and 313.71 is: 432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.54 : 754.29 = 313.71 : x
  2. Step 2: Convert to fraction form
    546.54/754.29 = 313.71/x
  3. Step 3: Cross multiply
    546.54x = 754.29 × 313.71
  4. Step 4: Simplify right side
    546.54x = 236,628.32
  5. Step 5: Solve for x
    x = 236,628.32/546.54
  6. Step 6: Final answer
    x = 432.96

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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.