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Finding the Fourth Proportional to 247,906.86, 342,276.21 and 190,443.84

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Solution

The fourth proportional to 247,906.86, 342,276.21 and 190,443.84 is: 262,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,906.86 : 342,276.21 = 190,443.84 : x
  2. Step 2: Convert to fraction form
    247,906.86/342,276.21 = 190,443.84/x
  3. Step 3: Cross multiply
    247,906.86x = 342,276.21 × 190,443.84
  4. Step 4: Simplify right side
    247,906.86x = 65,184,395,773.05
  5. Step 5: Solve for x
    x = 65,184,395,773.05/247,906.86
  6. Step 6: Final answer
    x = 262,939.06

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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.