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Finding the Fourth Proportional to 358,203.34, 494,040.76 and 222,161.00

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Solution

The fourth proportional to 358,203.34, 494,040.76 and 222,161.00 is: 306,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,203.34 : 494,040.76 = 222,161.00 : x
  2. Step 2: Convert to fraction form
    358,203.34/494,040.76 = 222,161.00/x
  3. Step 3: Cross multiply
    358,203.34x = 494,040.76 × 222,161.00
  4. Step 4: Simplify right side
    358,203.34x = 109,756,589,035.73
  5. Step 5: Solve for x
    x = 109,756,589,035.73/358,203.34
  6. Step 6: Final answer
    x = 306,408.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.