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Finding the Fourth Proportional to 525.88, 788.93 and 179.24

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Solution

The fourth proportional to 525.88, 788.93 and 179.24 is: 268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.88 : 788.93 = 179.24 : x
  2. Step 2: Convert to fraction form
    525.88/788.93 = 179.24/x
  3. Step 3: Cross multiply
    525.88x = 788.93 × 179.24
  4. Step 4: Simplify right side
    525.88x = 141,406.92
  5. Step 5: Solve for x
    x = 141,406.92/525.88
  6. Step 6: Final answer
    x = 268.90

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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.