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Finding the Fourth Proportional to 364.70, 547.23 and 242.93

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Solution

The fourth proportional to 364.70, 547.23 and 242.93 is: 364.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.70 : 547.23 = 242.93 : x
  2. Step 2: Convert to fraction form
    364.70/547.23 = 242.93/x
  3. Step 3: Cross multiply
    364.70x = 547.23 × 242.93
  4. Step 4: Simplify right side
    364.70x = 132,938.58
  5. Step 5: Solve for x
    x = 132,938.58/364.70
  6. Step 6: Final answer
    x = 364.51

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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.