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Finding the Fourth Proportional to 364.51, 547.08 and 242.92

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Solution

The fourth proportional to 364.51, 547.08 and 242.92 is: 364.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.51 : 547.08 = 242.92 : x
  2. Step 2: Convert to fraction form
    364.51/547.08 = 242.92/x
  3. Step 3: Cross multiply
    364.51x = 547.08 × 242.92
  4. Step 4: Simplify right side
    364.51x = 132,896.67
  5. Step 5: Solve for x
    x = 132,896.67/364.51
  6. Step 6: Final answer
    x = 364.59

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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.