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Finding the Fourth Proportional to 422,553.44, 633,831.60 and 107,010.20

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Solution

The fourth proportional to 422,553.44, 633,831.60 and 107,010.20 is: 160,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,553.44 : 633,831.60 = 107,010.20 : x
  2. Step 2: Convert to fraction form
    422,553.44/633,831.60 = 107,010.20/x
  3. Step 3: Cross multiply
    422,553.44x = 633,831.60 × 107,010.20
  4. Step 4: Simplify right side
    422,553.44x = 67,826,446,282.32
  5. Step 5: Solve for x
    x = 67,826,446,282.32/422,553.44
  6. Step 6: Final answer
    x = 160,515.66

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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.