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Finding the Fourth Proportional to 449,034.11, 673,193.37 and 259,279.22

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Solution

The fourth proportional to 449,034.11, 673,193.37 and 259,279.22 is: 388,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,034.11 : 673,193.37 = 259,279.22 : x
  2. Step 2: Convert to fraction form
    449,034.11/673,193.37 = 259,279.22/x
  3. Step 3: Cross multiply
    449,034.11x = 673,193.37 × 259,279.22
  4. Step 4: Simplify right side
    449,034.11x = 174,545,053,565.76
  5. Step 5: Solve for x
    x = 174,545,053,565.76/449,034.11
  6. Step 6: Final answer
    x = 388,712.24

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1.5x scale

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.