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Finding the Fourth Proportional to 484,840.58, 669,073.55 and 267,045.03

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Solution

The fourth proportional to 484,840.58, 669,073.55 and 267,045.03 is: 368,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,840.58 : 669,073.55 = 267,045.03 : x
  2. Step 2: Convert to fraction form
    484,840.58/669,073.55 = 267,045.03/x
  3. Step 3: Cross multiply
    484,840.58x = 669,073.55 × 267,045.03
  4. Step 4: Simplify right side
    484,840.58x = 178,672,764,896.73
  5. Step 5: Solve for x
    x = 178,672,764,896.73/484,840.58
  6. Step 6: Final answer
    x = 368,518.59

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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.