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Finding the Fourth Proportional to 526.32, 788.36 and 333

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Solution

The fourth proportional to 526.32, 788.36 and 333 is: 498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.32 : 788.36 = 333 : x
  2. Step 2: Convert to fraction form
    526.32/788.36 = 333/x
  3. Step 3: Cross multiply
    526.32x = 788.36 × 333
  4. Step 4: Simplify right side
    526.32x = 262,523.88
  5. Step 5: Solve for x
    x = 262,523.88/526.32
  6. Step 6: Final answer
    x = 498.79

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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.