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Finding the Fourth Proportional to 449,622.80, 674,239.80 and 224,896.40

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Solution

The fourth proportional to 449,622.80, 674,239.80 and 224,896.40 is: 337,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,622.80 : 674,239.80 = 224,896.40 : x
  2. Step 2: Convert to fraction form
    449,622.80/674,239.80 = 224,896.40/x
  3. Step 3: Cross multiply
    449,622.80x = 674,239.80 × 224,896.40
  4. Step 4: Simplify right side
    449,622.80x = 151,634,103,756.72
  5. Step 5: Solve for x
    x = 151,634,103,756.72/449,622.80
  6. Step 6: Final answer
    x = 337,247.36

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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.