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Finding the Fourth Proportional to 449,410.68, 674,118.59 and 149,890.41

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Solution

The fourth proportional to 449,410.68, 674,118.59 and 149,890.41 is: 224,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,410.68 : 674,118.59 = 149,890.41 : x
  2. Step 2: Convert to fraction form
    449,410.68/674,118.59 = 149,890.41/x
  3. Step 3: Cross multiply
    449,410.68x = 674,118.59 × 149,890.41
  4. Step 4: Simplify right side
    449,410.68x = 101,043,911,094.27
  5. Step 5: Solve for x
    x = 101,043,911,094.27/449,410.68
  6. Step 6: Final answer
    x = 224,836.47

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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.