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Finding the Fourth Proportional to 294.36, 441 and 242.70

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Solution

The fourth proportional to 294.36, 441 and 242.70 is: 363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.36 : 441 = 242.70 : x
  2. Step 2: Convert to fraction form
    294.36/441 = 242.70/x
  3. Step 3: Cross multiply
    294.36x = 441 × 242.70
  4. Step 4: Simplify right side
    294.36x = 107,030.70
  5. Step 5: Solve for x
    x = 107,030.70/294.36
  6. Step 6: Final answer
    x = 363.60

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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.