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Finding the Fourth Proportional to 508,286.96, 701,573.64 and 317,187.44

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Solution

The fourth proportional to 508,286.96, 701,573.64 and 317,187.44 is: 437,804.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,286.96 : 701,573.64 = 317,187.44 : x
  2. Step 2: Convert to fraction form
    508,286.96/701,573.64 = 317,187.44/x
  3. Step 3: Cross multiply
    508,286.96x = 701,573.64 × 317,187.44
  4. Step 4: Simplify right side
    508,286.96x = 222,530,346,843.08
  5. Step 5: Solve for x
    x = 222,530,346,843.08/508,286.96
  6. Step 6: Final answer
    x = 437,804.56

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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.