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Finding the Fourth Proportional to 449,227.06, 619,709.54 and 267,811.16

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Solution

The fourth proportional to 449,227.06, 619,709.54 and 267,811.16 is: 369,445.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,227.06 : 619,709.54 = 267,811.16 : x
  2. Step 2: Convert to fraction form
    449,227.06/619,709.54 = 267,811.16/x
  3. Step 3: Cross multiply
    449,227.06x = 619,709.54 × 267,811.16
  4. Step 4: Simplify right side
    449,227.06x = 165,965,129,890.72
  5. Step 5: Solve for x
    x = 165,965,129,890.72/449,227.06
  6. Step 6: Final answer
    x = 369,445.98

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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.