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Finding the Fourth Proportional to 422,571.12, 633,430.08 and 264,910.32

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Solution

The fourth proportional to 422,571.12, 633,430.08 and 264,910.32 is: 397,098.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,571.12 : 633,430.08 = 264,910.32 : x
  2. Step 2: Convert to fraction form
    422,571.12/633,430.08 = 264,910.32/x
  3. Step 3: Cross multiply
    422,571.12x = 633,430.08 × 264,910.32
  4. Step 4: Simplify right side
    422,571.12x = 167,802,165,190.43
  5. Step 5: Solve for x
    x = 167,802,165,190.43/422,571.12
  6. Step 6: Final answer
    x = 397,098.04

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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.