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Finding the Fourth Proportional to 638,006.22, 957,102.48 and 233,218.44

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Solution

The fourth proportional to 638,006.22, 957,102.48 and 233,218.44 is: 349,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,006.22 : 957,102.48 = 233,218.44 : x
  2. Step 2: Convert to fraction form
    638,006.22/957,102.48 = 233,218.44/x
  3. Step 3: Cross multiply
    638,006.22x = 957,102.48 × 233,218.44
  4. Step 4: Simplify right side
    638,006.22x = 223,213,947,305.73
  5. Step 5: Solve for x
    x = 223,213,947,305.73/638,006.22
  6. Step 6: Final answer
    x = 349,861.71

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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.