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Finding the Fourth Proportional to 296,994.57, 445,479.69 and 107,459.43

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Solution

The fourth proportional to 296,994.57, 445,479.69 and 107,459.43 is: 161,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,994.57 : 445,479.69 = 107,459.43 : x
  2. Step 2: Convert to fraction form
    296,994.57/445,479.69 = 107,459.43/x
  3. Step 3: Cross multiply
    296,994.57x = 445,479.69 × 107,459.43
  4. Step 4: Simplify right side
    296,994.57x = 47,870,993,563.98
  5. Step 5: Solve for x
    x = 47,870,993,563.98/296,994.57
  6. Step 6: Final answer
    x = 161,184.74

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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.