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Finding the Fourth Proportional to 364.48, 546.10 and 242.77

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Solution

The fourth proportional to 364.48, 546.10 and 242.77 is: 363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.48 : 546.10 = 242.77 : x
  2. Step 2: Convert to fraction form
    364.48/546.10 = 242.77/x
  3. Step 3: Cross multiply
    364.48x = 546.10 × 242.77
  4. Step 4: Simplify right side
    364.48x = 132,576.70
  5. Step 5: Solve for x
    x = 132,576.70/364.48
  6. Step 6: Final answer
    x = 363.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.