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Finding the Fourth Proportional to 352,601.06, 486,587.90 and 191,454.80

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Solution

The fourth proportional to 352,601.06, 486,587.90 and 191,454.80 is: 264,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,601.06 : 486,587.90 = 191,454.80 : x
  2. Step 2: Convert to fraction form
    352,601.06/486,587.90 = 191,454.80/x
  3. Step 3: Cross multiply
    352,601.06x = 486,587.90 × 191,454.80
  4. Step 4: Simplify right side
    352,601.06x = 93,159,589,076.92
  5. Step 5: Solve for x
    x = 93,159,589,076.92/352,601.06
  6. Step 6: Final answer
    x = 264,206.78

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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.