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Finding the Fourth Proportional to 350.02, 525.27 and 144.59

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Solution

The fourth proportional to 350.02, 525.27 and 144.59 is: 216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.02 : 525.27 = 144.59 : x
  2. Step 2: Convert to fraction form
    350.02/525.27 = 144.59/x
  3. Step 3: Cross multiply
    350.02x = 525.27 × 144.59
  4. Step 4: Simplify right side
    350.02x = 75,947.66
  5. Step 5: Solve for x
    x = 75,947.66/350.02
  6. Step 6: Final answer
    x = 216.98

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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.