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Finding the Fourth Proportional to 422,794.92, 633,347.42 and 254,222.96

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Solution

The fourth proportional to 422,794.92, 633,347.42 and 254,222.96 is: 380,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,794.92 : 633,347.42 = 254,222.96 : x
  2. Step 2: Convert to fraction form
    422,794.92/633,347.42 = 254,222.96/x
  3. Step 3: Cross multiply
    422,794.92x = 633,347.42 × 254,222.96
  4. Step 4: Simplify right side
    422,794.92x = 161,011,455,820.76
  5. Step 5: Solve for x
    x = 161,011,455,820.76/422,794.92
  6. Step 6: Final answer
    x = 380,826.37

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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.