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Finding the Fourth Proportional to 604.41, 833.89 and 338.81

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Solution

The fourth proportional to 604.41, 833.89 and 338.81 is: 467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.41 : 833.89 = 338.81 : x
  2. Step 2: Convert to fraction form
    604.41/833.89 = 338.81/x
  3. Step 3: Cross multiply
    604.41x = 833.89 × 338.81
  4. Step 4: Simplify right side
    604.41x = 282,531.51
  5. Step 5: Solve for x
    x = 282,531.51/604.41
  6. Step 6: Final answer
    x = 467.45

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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.