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Finding the Fourth Proportional to 449,673.04, 620,548.32 and 248,469.04

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Solution

The fourth proportional to 449,673.04, 620,548.32 and 248,469.04 is: 342,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,673.04 : 620,548.32 = 248,469.04 : x
  2. Step 2: Convert to fraction form
    449,673.04/620,548.32 = 248,469.04/x
  3. Step 3: Cross multiply
    449,673.04x = 620,548.32 × 248,469.04
  4. Step 4: Simplify right side
    449,673.04x = 154,187,045,344.01
  5. Step 5: Solve for x
    x = 154,187,045,344.01/449,673.04
  6. Step 6: Final answer
    x = 342,887.01

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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.