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Finding the Fourth Proportional to 576,272.75, 864,222.21 and 191,919.24

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Solution

The fourth proportional to 576,272.75, 864,222.21 and 191,919.24 is: 287,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,272.75 : 864,222.21 = 191,919.24 : x
  2. Step 2: Convert to fraction form
    576,272.75/864,222.21 = 191,919.24/x
  3. Step 3: Cross multiply
    576,272.75x = 864,222.21 × 191,919.24
  4. Step 4: Simplify right side
    576,272.75x = 165,860,869,734.32
  5. Step 5: Solve for x
    x = 165,860,869,734.32/576,272.75
  6. Step 6: Final answer
    x = 287,816.61

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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.