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Finding the Fourth Proportional to 526.16, 788.96 and 252

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Solution

The fourth proportional to 526.16, 788.96 and 252 is: 377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.16 : 788.96 = 252 : x
  2. Step 2: Convert to fraction form
    526.16/788.96 = 252/x
  3. Step 3: Cross multiply
    526.16x = 788.96 × 252
  4. Step 4: Simplify right side
    526.16x = 198,817.92
  5. Step 5: Solve for x
    x = 198,817.92/526.16
  6. Step 6: Final answer
    x = 377.87

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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.