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Finding the Fourth Proportional to 598.79, 826.36 and 333.25

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Solution

The fourth proportional to 598.79, 826.36 and 333.25 is: 459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    598.79 : 826.36 = 333.25 : x
  2. Step 2: Convert to fraction form
    598.79/826.36 = 333.25/x
  3. Step 3: Cross multiply
    598.79x = 826.36 × 333.25
  4. Step 4: Simplify right side
    598.79x = 275,378.67
  5. Step 5: Solve for x
    x = 275,378.67/598.79
  6. Step 6: Final answer
    x = 459.89

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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.