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Finding the Fourth Proportional to 300,841.32, 415,349.73 and 193,597.68

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Solution

The fourth proportional to 300,841.32, 415,349.73 and 193,597.68 is: 267,286.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,841.32 : 415,349.73 = 193,597.68 : x
  2. Step 2: Convert to fraction form
    300,841.32/415,349.73 = 193,597.68/x
  3. Step 3: Cross multiply
    300,841.32x = 415,349.73 × 193,597.68
  4. Step 4: Simplify right side
    300,841.32x = 80,410,744,116.63
  5. Step 5: Solve for x
    x = 80,410,744,116.63/300,841.32
  6. Step 6: Final answer
    x = 267,286.24

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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.