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Finding the Fourth Proportional to 242,879.81, 363,561.57 and 178,910.07

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Solution

The fourth proportional to 242,879.81, 363,561.57 and 178,910.07 is: 267,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,879.81 : 363,561.57 = 178,910.07 : x
  2. Step 2: Convert to fraction form
    242,879.81/363,561.57 = 178,910.07/x
  3. Step 3: Cross multiply
    242,879.81x = 363,561.57 × 178,910.07
  4. Step 4: Simplify right side
    242,879.81x = 65,044,823,672.93
  5. Step 5: Solve for x
    x = 65,044,823,672.93/242,879.81
  6. Step 6: Final answer
    x = 267,806.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.