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Finding the Fourth Proportional to 525.80, 788.99 and 233.36

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Solution

The fourth proportional to 525.80, 788.99 and 233.36 is: 350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.80 : 788.99 = 233.36 : x
  2. Step 2: Convert to fraction form
    525.80/788.99 = 233.36/x
  3. Step 3: Cross multiply
    525.80x = 788.99 × 233.36
  4. Step 4: Simplify right side
    525.80x = 184,113.59
  5. Step 5: Solve for x
    x = 184,113.59/525.80
  6. Step 6: Final answer
    x = 350.16

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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.