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Finding the Fourth Proportional to 449,034.58, 673,194.19 and 259,279.53

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Solution

The fourth proportional to 449,034.58, 673,194.19 and 259,279.53 is: 388,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,034.58 : 673,194.19 = 259,279.53 : x
  2. Step 2: Convert to fraction form
    449,034.58/673,194.19 = 259,279.53/x
  3. Step 3: Cross multiply
    449,034.58x = 673,194.19 × 259,279.53
  4. Step 4: Simplify right side
    449,034.58x = 174,545,473,181.93
  5. Step 5: Solve for x
    x = 174,545,473,181.93/449,034.58
  6. Step 6: Final answer
    x = 388,712.77

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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.