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Finding the Fourth Proportional to 449,670.60, 674,246.70 and 169,216.20

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Solution

The fourth proportional to 449,670.60, 674,246.70 and 169,216.20 is: 253,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,670.60 : 674,246.70 = 169,216.20 : x
  2. Step 2: Convert to fraction form
    449,670.60/674,246.70 = 169,216.20/x
  3. Step 3: Cross multiply
    449,670.60x = 674,246.70 × 169,216.20
  4. Step 4: Simplify right side
    449,670.60x = 114,093,464,436.54
  5. Step 5: Solve for x
    x = 114,093,464,436.54/449,670.60
  6. Step 6: Final answer
    x = 253,726.76

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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.