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Finding the Fourth Proportional to 306,626.70, 459,983.38 and 106,917.96

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Solution

The fourth proportional to 306,626.70, 459,983.38 and 106,917.96 is: 160,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,626.70 : 459,983.38 = 106,917.96 : x
  2. Step 2: Convert to fraction form
    306,626.70/459,983.38 = 106,917.96/x
  3. Step 3: Cross multiply
    306,626.70x = 459,983.38 × 106,917.96
  4. Step 4: Simplify right side
    306,626.70x = 49,180,484,623.50
  5. Step 5: Solve for x
    x = 49,180,484,623.50/306,626.70
  6. Step 6: Final answer
    x = 160,392.05

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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.