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Finding the Fourth Proportional to 546.23, 753.55 and 364.38

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Solution

The fourth proportional to 546.23, 753.55 and 364.38 is: 502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.23 : 753.55 = 364.38 : x
  2. Step 2: Convert to fraction form
    546.23/753.55 = 364.38/x
  3. Step 3: Cross multiply
    546.23x = 753.55 × 364.38
  4. Step 4: Simplify right side
    546.23x = 274,578.55
  5. Step 5: Solve for x
    x = 274,578.55/546.23
  6. Step 6: Final answer
    x = 502.68

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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.