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Finding the Fourth Proportional to 415,863.60, 622,758.60 and 332,919.60

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Solution

The fourth proportional to 415,863.60, 622,758.60 and 332,919.60 is: 498,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,863.60 : 622,758.60 = 332,919.60 : x
  2. Step 2: Convert to fraction form
    415,863.60/622,758.60 = 332,919.60/x
  3. Step 3: Cross multiply
    415,863.60x = 622,758.60 × 332,919.60
  4. Step 4: Simplify right side
    415,863.60x = 207,328,544,008.56
  5. Step 5: Solve for x
    x = 207,328,544,008.56/415,863.60
  6. Step 6: Final answer
    x = 498,549.39

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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.