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Finding the Fourth Proportional to 443.33, 611.76 and 295.94

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Solution

The fourth proportional to 443.33, 611.76 and 295.94 is: 408.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    443.33 : 611.76 = 295.94 : x
  2. Step 2: Convert to fraction form
    443.33/611.76 = 295.94/x
  3. Step 3: Cross multiply
    443.33x = 611.76 × 295.94
  4. Step 4: Simplify right side
    443.33x = 181,041.20
  5. Step 5: Solve for x
    x = 181,041.20/443.33
  6. Step 6: Final answer
    x = 408.37

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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.