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Finding the Fourth Proportional to 481,897.50, 665,022.45 and 267,041.15

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Solution

The fourth proportional to 481,897.50, 665,022.45 and 267,041.15 is: 368,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,897.50 : 665,022.45 = 267,041.15 : x
  2. Step 2: Convert to fraction form
    481,897.50/665,022.45 = 267,041.15/x
  3. Step 3: Cross multiply
    481,897.50x = 665,022.45 × 267,041.15
  4. Step 4: Simplify right side
    481,897.50x = 177,588,359,823.82
  5. Step 5: Solve for x
    x = 177,588,359,823.82/481,897.50
  6. Step 6: Final answer
    x = 368,518.95

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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.