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Finding the Fourth Proportional to 446,617, 616,331.78 and 245,414.44

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Solution

The fourth proportional to 446,617, 616,331.78 and 245,414.44 is: 338,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,617 : 616,331.78 = 245,414.44 : x
  2. Step 2: Convert to fraction form
    446,617/616,331.78 = 245,414.44/x
  3. Step 3: Cross multiply
    446,617x = 616,331.78 × 245,414.44
  4. Step 4: Simplify right side
    446,617x = 151,256,718,642.90
  5. Step 5: Solve for x
    x = 151,256,718,642.90/446,617
  6. Step 6: Final answer
    x = 338,672.10

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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.