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Finding the Fourth Proportional to 253,879.92, 378,550.12 and 246,904.76

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Solution

The fourth proportional to 253,879.92, 378,550.12 and 246,904.76 is: 368,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,879.92 : 378,550.12 = 246,904.76 : x
  2. Step 2: Convert to fraction form
    253,879.92/378,550.12 = 246,904.76/x
  3. Step 3: Cross multiply
    253,879.92x = 378,550.12 × 246,904.76
  4. Step 4: Simplify right side
    253,879.92x = 93,465,824,942.45
  5. Step 5: Solve for x
    x = 93,465,824,942.45/253,879.92
  6. Step 6: Final answer
    x = 368,149.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.