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Finding the Fourth Proportional to 352,370.22, 486,274.47 and 191,226.66

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Solution

The fourth proportional to 352,370.22, 486,274.47 and 191,226.66 is: 263,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,370.22 : 486,274.47 = 191,226.66 : x
  2. Step 2: Convert to fraction form
    352,370.22/486,274.47 = 191,226.66/x
  3. Step 3: Cross multiply
    352,370.22x = 486,274.47 × 191,226.66
  4. Step 4: Simplify right side
    352,370.22x = 92,988,642,741.37
  5. Step 5: Solve for x
    x = 92,988,642,741.37/352,370.22
  6. Step 6: Final answer
    x = 263,894.73

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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.