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Finding the Fourth Proportional to 649,879.92, 974,719.08 and 250,707.60

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Solution

The fourth proportional to 649,879.92, 974,719.08 and 250,707.60 is: 376,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,879.92 : 974,719.08 = 250,707.60 : x
  2. Step 2: Convert to fraction form
    649,879.92/974,719.08 = 250,707.60/x
  3. Step 3: Cross multiply
    649,879.92x = 974,719.08 × 250,707.60
  4. Step 4: Simplify right side
    649,879.92x = 244,369,481,221.01
  5. Step 5: Solve for x
    x = 244,369,481,221.01/649,879.92
  6. Step 6: Final answer
    x = 376,022.51

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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.