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Finding the Fourth Proportional to 447,025.92, 616,879.68 and 245,820.48

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Solution

The fourth proportional to 447,025.92, 616,879.68 and 245,820.48 is: 339,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,025.92 : 616,879.68 = 245,820.48 : x
  2. Step 2: Convert to fraction form
    447,025.92/616,879.68 = 245,820.48/x
  3. Step 3: Cross multiply
    447,025.92x = 616,879.68 × 245,820.48
  4. Step 4: Simplify right side
    447,025.92x = 151,641,659,039.85
  5. Step 5: Solve for x
    x = 151,641,659,039.85/447,025.92
  6. Step 6: Final answer
    x = 339,223.41

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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.