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Finding the Fourth Proportional to 362,246.70, 543,564.45 and 151,905.90

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Solution

The fourth proportional to 362,246.70, 543,564.45 and 151,905.90 is: 227,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,246.70 : 543,564.45 = 151,905.90 : x
  2. Step 2: Convert to fraction form
    362,246.70/543,564.45 = 151,905.90/x
  3. Step 3: Cross multiply
    362,246.70x = 543,564.45 × 151,905.90
  4. Step 4: Simplify right side
    362,246.70x = 82,570,646,985.26
  5. Step 5: Solve for x
    x = 82,570,646,985.26/362,246.70
  6. Step 6: Final answer
    x = 227,940.37

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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.