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Finding the Fourth Proportional to 446,118, 615,647.16 and 244,918.32

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Solution

The fourth proportional to 446,118, 615,647.16 and 244,918.32 is: 337,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,118 : 615,647.16 = 244,918.32 : x
  2. Step 2: Convert to fraction form
    446,118/615,647.16 = 244,918.32/x
  3. Step 3: Cross multiply
    446,118x = 615,647.16 × 244,918.32
  4. Step 4: Simplify right side
    446,118x = 150,783,268,139.97
  5. Step 5: Solve for x
    x = 150,783,268,139.97/446,118
  6. Step 6: Final answer
    x = 337,989.65

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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.