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Finding the Fourth Proportional to 417,241.92, 575,422.24 and 327,662.40

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Solution

The fourth proportional to 417,241.92, 575,422.24 and 327,662.40 is: 451,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,241.92 : 575,422.24 = 327,662.40 : x
  2. Step 2: Convert to fraction form
    417,241.92/575,422.24 = 327,662.40/x
  3. Step 3: Cross multiply
    417,241.92x = 575,422.24 × 327,662.40
  4. Step 4: Simplify right side
    417,241.92x = 188,544,232,171.78
  5. Step 5: Solve for x
    x = 188,544,232,171.78/417,241.92
  6. Step 6: Final answer
    x = 451,882.28

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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.