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Finding the Fourth Proportional to 450,381.87, 675,543.65 and 169,891.83

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Solution

The fourth proportional to 450,381.87, 675,543.65 and 169,891.83 is: 254,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,381.87 : 675,543.65 = 169,891.83 : x
  2. Step 2: Convert to fraction form
    450,381.87/675,543.65 = 169,891.83/x
  3. Step 3: Cross multiply
    450,381.87x = 675,543.65 × 169,891.83
  4. Step 4: Simplify right side
    450,381.87x = 114,769,346,093.92
  5. Step 5: Solve for x
    x = 114,769,346,093.92/450,381.87
  6. Step 6: Final answer
    x = 254,826.75

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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.