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Finding the Fourth Proportional to 352,221.66, 486,066.84 and 191,076.72

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Solution

The fourth proportional to 352,221.66, 486,066.84 and 191,076.72 is: 263,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,221.66 : 486,066.84 = 191,076.72 : x
  2. Step 2: Convert to fraction form
    352,221.66/486,066.84 = 191,076.72/x
  3. Step 3: Cross multiply
    352,221.66x = 486,066.84 × 191,076.72
  4. Step 4: Simplify right side
    352,221.66x = 92,876,057,487.96
  5. Step 5: Solve for x
    x = 92,876,057,487.96/352,221.66
  6. Step 6: Final answer
    x = 263,686.39

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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.