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Finding the Fourth Proportional to 546.17, 753.45 and 325.04

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Solution

The fourth proportional to 546.17, 753.45 and 325.04 is: 448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.17 : 753.45 = 325.04 : x
  2. Step 2: Convert to fraction form
    546.17/753.45 = 325.04/x
  3. Step 3: Cross multiply
    546.17x = 753.45 × 325.04
  4. Step 4: Simplify right side
    546.17x = 244,901.39
  5. Step 5: Solve for x
    x = 244,901.39/546.17
  6. Step 6: Final answer
    x = 448.40

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Why These Related Problems?

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