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Finding the Fourth Proportional to 362,564.20, 543,190.20 and 310,076.20

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Solution

The fourth proportional to 362,564.20, 543,190.20 and 310,076.20 is: 464,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,564.20 : 543,190.20 = 310,076.20 : x
  2. Step 2: Convert to fraction form
    362,564.20/543,190.20 = 310,076.20/x
  3. Step 3: Cross multiply
    362,564.20x = 543,190.20 × 310,076.20
  4. Step 4: Simplify right side
    362,564.20x = 168,430,353,093.24
  5. Step 5: Solve for x
    x = 168,430,353,093.24/362,564.20
  6. Step 6: Final answer
    x = 464,553.18

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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.