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Finding the Fourth Proportional to 573.32, 859.99 and 208.04

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Solution

The fourth proportional to 573.32, 859.99 and 208.04 is: 312.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.32 : 859.99 = 208.04 : x
  2. Step 2: Convert to fraction form
    573.32/859.99 = 208.04/x
  3. Step 3: Cross multiply
    573.32x = 859.99 × 208.04
  4. Step 4: Simplify right side
    573.32x = 178,912.32
  5. Step 5: Solve for x
    x = 178,912.32/573.32
  6. Step 6: Final answer
    x = 312.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.