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Finding the Fourth Proportional to 300,558.44, 414,809.03 and 173,234.95

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Solution

The fourth proportional to 300,558.44, 414,809.03 and 173,234.95 is: 239,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,558.44 : 414,809.03 = 173,234.95 : x
  2. Step 2: Convert to fraction form
    300,558.44/414,809.03 = 173,234.95/x
  3. Step 3: Cross multiply
    300,558.44x = 414,809.03 × 173,234.95
  4. Step 4: Simplify right side
    300,558.44x = 71,859,420,967.66
  5. Step 5: Solve for x
    x = 71,859,420,967.66/300,558.44
  6. Step 6: Final answer
    x = 239,086.35

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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.