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Finding the Fourth Proportional to 473.33, 709.84 and 242.48

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Solution

The fourth proportional to 473.33, 709.84 and 242.48 is: 363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.33 : 709.84 = 242.48 : x
  2. Step 2: Convert to fraction form
    473.33/709.84 = 242.48/x
  3. Step 3: Cross multiply
    473.33x = 709.84 × 242.48
  4. Step 4: Simplify right side
    473.33x = 172,122.00
  5. Step 5: Solve for x
    x = 172,122.00/473.33
  6. Step 6: Final answer
    x = 363.64

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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.