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Finding the Fourth Proportional to 362,207.70, 543,384.45 and 303,450.30

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Solution

The fourth proportional to 362,207.70, 543,384.45 and 303,450.30 is: 455,236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,207.70 : 543,384.45 = 303,450.30 : x
  2. Step 2: Convert to fraction form
    362,207.70/543,384.45 = 303,450.30/x
  3. Step 3: Cross multiply
    362,207.70x = 543,384.45 × 303,450.30
  4. Step 4: Simplify right side
    362,207.70x = 164,890,174,367.84
  5. Step 5: Solve for x
    x = 164,890,174,367.84/362,207.70
  6. Step 6: Final answer
    x = 455,236.52

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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.