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Finding the Fourth Proportional to 352,297.50, 486,168.92 and 191,152.15

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Solution

The fourth proportional to 352,297.50, 486,168.92 and 191,152.15 is: 263,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,297.50 : 486,168.92 = 191,152.15 : x
  2. Step 2: Convert to fraction form
    352,297.50/486,168.92 = 191,152.15/x
  3. Step 3: Cross multiply
    352,297.50x = 486,168.92 × 191,152.15
  4. Step 4: Simplify right side
    352,297.50x = 92,932,234,321.18
  5. Step 5: Solve for x
    x = 92,932,234,321.18/352,297.50
  6. Step 6: Final answer
    x = 263,789.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.