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Finding the Fourth Proportional to 606,622.41, 910,040.58 and 207,169.56

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Solution

The fourth proportional to 606,622.41, 910,040.58 and 207,169.56 is: 310,790.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,622.41 : 910,040.58 = 207,169.56 : x
  2. Step 2: Convert to fraction form
    606,622.41/910,040.58 = 207,169.56/x
  3. Step 3: Cross multiply
    606,622.41x = 910,040.58 × 207,169.56
  4. Step 4: Simplify right side
    606,622.41x = 188,532,706,540.75
  5. Step 5: Solve for x
    x = 188,532,706,540.75/606,622.41
  6. Step 6: Final answer
    x = 310,790.87

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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.