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Finding the Fourth Proportional to 481,901.50, 665,028.02 and 267,045.15

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Solution

The fourth proportional to 481,901.50, 665,028.02 and 267,045.15 is: 368,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,901.50 : 665,028.02 = 267,045.15 : x
  2. Step 2: Convert to fraction form
    481,901.50/665,028.02 = 267,045.15/x
  3. Step 3: Cross multiply
    481,901.50x = 665,028.02 × 267,045.15
  4. Step 4: Simplify right side
    481,901.50x = 177,592,507,355.10
  5. Step 5: Solve for x
    x = 177,592,507,355.10/481,901.50
  6. Step 6: Final answer
    x = 368,524.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.