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Finding the Fourth Proportional to 362,162.70, 543,244.05 and 268,850.70

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Solution

The fourth proportional to 362,162.70, 543,244.05 and 268,850.70 is: 403,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,162.70 : 543,244.05 = 268,850.70 : x
  2. Step 2: Convert to fraction form
    362,162.70/543,244.05 = 268,850.70/x
  3. Step 3: Cross multiply
    362,162.70x = 543,244.05 × 268,850.70
  4. Step 4: Simplify right side
    362,162.70x = 146,051,543,113.34
  5. Step 5: Solve for x
    x = 146,051,543,113.34/362,162.70
  6. Step 6: Final answer
    x = 403,276.05

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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.