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Finding the Fourth Proportional to 449,672.04, 620,546.94 and 248,468.04

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Solution

The fourth proportional to 449,672.04, 620,546.94 and 248,468.04 is: 342,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,672.04 : 620,546.94 = 248,468.04 : x
  2. Step 2: Convert to fraction form
    449,672.04/620,546.94 = 248,468.04/x
  3. Step 3: Cross multiply
    449,672.04x = 620,546.94 × 248,468.04
  4. Step 4: Simplify right side
    449,672.04x = 154,186,081,909.80
  5. Step 5: Solve for x
    x = 154,186,081,909.80/449,672.04
  6. Step 6: Final answer
    x = 342,885.63

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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.