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Finding the Fourth Proportional to 525.92, 788.96 and 295.12

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Solution

The fourth proportional to 525.92, 788.96 and 295.12 is: 442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.92 : 788.96 = 295.12 : x
  2. Step 2: Convert to fraction form
    525.92/788.96 = 295.12/x
  3. Step 3: Cross multiply
    525.92x = 788.96 × 295.12
  4. Step 4: Simplify right side
    525.92x = 232,837.88
  5. Step 5: Solve for x
    x = 232,837.88/525.92
  6. Step 6: Final answer
    x = 442.72

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Similar ratio
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1.5x scale

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.