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Finding the Fourth Proportional to 508,734.60, 702,067.68 and 327,796.80

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Solution

The fourth proportional to 508,734.60, 702,067.68 and 327,796.80 is: 452,368.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,734.60 : 702,067.68 = 327,796.80 : x
  2. Step 2: Convert to fraction form
    508,734.60/702,067.68 = 327,796.80/x
  3. Step 3: Cross multiply
    508,734.60x = 702,067.68 × 327,796.80
  4. Step 4: Simplify right side
    508,734.60x = 230,135,538,887.42
  5. Step 5: Solve for x
    x = 230,135,538,887.42/508,734.60
  6. Step 6: Final answer
    x = 452,368.56

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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.