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Finding the Fourth Proportional to 433.94, 598.87 and 259.38

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Solution

The fourth proportional to 433.94, 598.87 and 259.38 is: 357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.94 : 598.87 = 259.38 : x
  2. Step 2: Convert to fraction form
    433.94/598.87 = 259.38/x
  3. Step 3: Cross multiply
    433.94x = 598.87 × 259.38
  4. Step 4: Simplify right side
    433.94x = 155,334.90
  5. Step 5: Solve for x
    x = 155,334.90/433.94
  6. Step 6: Final answer
    x = 357.96

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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.