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Finding the Fourth Proportional to 594.24, 889.56 and 408.75

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Solution

The fourth proportional to 594.24, 889.56 and 408.75 is: 611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.24 : 889.56 = 408.75 : x
  2. Step 2: Convert to fraction form
    594.24/889.56 = 408.75/x
  3. Step 3: Cross multiply
    594.24x = 889.56 × 408.75
  4. Step 4: Simplify right side
    594.24x = 363,607.65
  5. Step 5: Solve for x
    x = 363,607.65/594.24
  6. Step 6: Final answer
    x = 611.89

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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.