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Finding the Fourth Proportional to 274,906.86, 379,370.88 and 167,476.82

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Solution

The fourth proportional to 274,906.86, 379,370.88 and 167,476.82 is: 231,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,906.86 : 379,370.88 = 167,476.82 : x
  2. Step 2: Convert to fraction form
    274,906.86/379,370.88 = 167,476.82/x
  3. Step 3: Cross multiply
    274,906.86x = 379,370.88 × 167,476.82
  4. Step 4: Simplify right side
    274,906.86x = 63,535,828,583.00
  5. Step 5: Solve for x
    x = 63,535,828,583.00/274,906.86
  6. Step 6: Final answer
    x = 231,117.65

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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.