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Finding the Fourth Proportional to 366.24, 505.50 and 242.11

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Solution

The fourth proportional to 366.24, 505.50 and 242.11 is: 334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.24 : 505.50 = 242.11 : x
  2. Step 2: Convert to fraction form
    366.24/505.50 = 242.11/x
  3. Step 3: Cross multiply
    366.24x = 505.50 × 242.11
  4. Step 4: Simplify right side
    366.24x = 122,386.61
  5. Step 5: Solve for x
    x = 122,386.61/366.24
  6. Step 6: Final answer
    x = 334.17

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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.