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Finding the Fourth Proportional to 449,065.07, 673,572.09 and 271,524.41

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Solution

The fourth proportional to 449,065.07, 673,572.09 and 271,524.41 is: 407,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,065.07 : 673,572.09 = 271,524.41 : x
  2. Step 2: Convert to fraction form
    449,065.07/673,572.09 = 271,524.41/x
  3. Step 3: Cross multiply
    449,065.07x = 673,572.09 × 271,524.41
  4. Step 4: Simplify right side
    449,065.07x = 182,891,264,329.72
  5. Step 5: Solve for x
    x = 182,891,264,329.72/449,065.07
  6. Step 6: Final answer
    x = 407,271.19

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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.