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Finding the Fourth Proportional to 415,104.39, 622,853.42 and 246,956.90

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Solution

The fourth proportional to 415,104.39, 622,853.42 and 246,956.90 is: 370,552.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,104.39 : 622,853.42 = 246,956.90 : x
  2. Step 2: Convert to fraction form
    415,104.39/622,853.42 = 246,956.90/x
  3. Step 3: Cross multiply
    415,104.39x = 622,853.42 × 246,956.90
  4. Step 4: Simplify right side
    415,104.39x = 153,817,945,408.55
  5. Step 5: Solve for x
    x = 153,817,945,408.55/415,104.39
  6. Step 6: Final answer
    x = 370,552.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.