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Finding the Fourth Proportional to 445,837.08, 615,169.44 and 254,809.92

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Solution

The fourth proportional to 445,837.08, 615,169.44 and 254,809.92 is: 351,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,837.08 : 615,169.44 = 254,809.92 : x
  2. Step 2: Convert to fraction form
    445,837.08/615,169.44 = 254,809.92/x
  3. Step 3: Cross multiply
    445,837.08x = 615,169.44 × 254,809.92
  4. Step 4: Simplify right side
    445,837.08x = 156,751,275,792.85
  5. Step 5: Solve for x
    x = 156,751,275,792.85/445,837.08
  6. Step 6: Final answer
    x = 351,588.69

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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.