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Finding the Fourth Proportional to 433.67, 598.47 and 259

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Solution

The fourth proportional to 433.67, 598.47 and 259 is: 357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.67 : 598.47 = 259 : x
  2. Step 2: Convert to fraction form
    433.67/598.47 = 259/x
  3. Step 3: Cross multiply
    433.67x = 598.47 × 259
  4. Step 4: Simplify right side
    433.67x = 155,003.73
  5. Step 5: Solve for x
    x = 155,003.73/433.67
  6. Step 6: Final answer
    x = 357.42

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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.