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Finding the Fourth Proportional to 446,812.92, 616,601.79 and 245,608.92

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Solution

The fourth proportional to 446,812.92, 616,601.79 and 245,608.92 is: 338,940.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,812.92 : 616,601.79 = 245,608.92 : x
  2. Step 2: Convert to fraction form
    446,812.92/616,601.79 = 245,608.92/x
  3. Step 3: Cross multiply
    446,812.92x = 616,601.79 × 245,608.92
  4. Step 4: Simplify right side
    446,812.92x = 151,442,899,711.97
  5. Step 5: Solve for x
    x = 151,442,899,711.97/446,812.92
  6. Step 6: Final answer
    x = 338,940.29

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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.