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Finding the Fourth Proportional to 449,476.70, 674,262.43 and 149,852.84

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Solution

The fourth proportional to 449,476.70, 674,262.43 and 149,852.84 is: 224,795.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,476.70 : 674,262.43 = 149,852.84 : x
  2. Step 2: Convert to fraction form
    449,476.70/674,262.43 = 149,852.84/x
  3. Step 3: Cross multiply
    449,476.70x = 674,262.43 × 149,852.84
  4. Step 4: Simplify right side
    449,476.70x = 101,040,136,294.86
  5. Step 5: Solve for x
    x = 101,040,136,294.86/449,476.70
  6. Step 6: Final answer
    x = 224,795.05

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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.