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Finding the Fourth Proportional to 433.96, 598.80 and 259.32

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Solution

The fourth proportional to 433.96, 598.80 and 259.32 is: 357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.96 : 598.80 = 259.32 : x
  2. Step 2: Convert to fraction form
    433.96/598.80 = 259.32/x
  3. Step 3: Cross multiply
    433.96x = 598.80 × 259.32
  4. Step 4: Simplify right side
    433.96x = 155,280.82
  5. Step 5: Solve for x
    x = 155,280.82/433.96
  6. Step 6: Final answer
    x = 357.82

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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.