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Finding the Fourth Proportional to 481,910.25, 665,050.73 and 267,030.21

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Solution

The fourth proportional to 481,910.25, 665,050.73 and 267,030.21 is: 368,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,910.25 : 665,050.73 = 267,030.21 : x
  2. Step 2: Convert to fraction form
    481,910.25/665,050.73 = 267,030.21/x
  3. Step 3: Cross multiply
    481,910.25x = 665,050.73 × 267,030.21
  4. Step 4: Simplify right side
    481,910.25x = 177,588,634,757.40
  5. Step 5: Solve for x
    x = 177,588,634,757.40/481,910.25
  6. Step 6: Final answer
    x = 368,509.77

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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.