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Finding the Fourth Proportional to 422,534.63, 633,825.03 and 106,994.27

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Solution

The fourth proportional to 422,534.63, 633,825.03 and 106,994.27 is: 160,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,534.63 : 633,825.03 = 106,994.27 : x
  2. Step 2: Convert to fraction form
    422,534.63/633,825.03 = 106,994.27/x
  3. Step 3: Cross multiply
    422,534.63x = 633,825.03 × 106,994.27
  4. Step 4: Simplify right side
    422,534.63x = 67,815,643,910.34
  5. Step 5: Solve for x
    x = 67,815,643,910.34/422,534.63
  6. Step 6: Final answer
    x = 160,497.25

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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.