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Finding the Fourth Proportional to 448,321.52, 618,679.64 and 244,372.40

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Solution

The fourth proportional to 448,321.52, 618,679.64 and 244,372.40 is: 337,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,321.52 : 618,679.64 = 244,372.40 : x
  2. Step 2: Convert to fraction form
    448,321.52/618,679.64 = 244,372.40/x
  3. Step 3: Cross multiply
    448,321.52x = 618,679.64 × 244,372.40
  4. Step 4: Simplify right side
    448,321.52x = 151,188,228,457.94
  5. Step 5: Solve for x
    x = 151,188,228,457.94/448,321.52
  6. Step 6: Final answer
    x = 337,231.70

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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.