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Finding the Fourth Proportional to 449,224.80, 619,706.64 and 267,808.96

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Solution

The fourth proportional to 449,224.80, 619,706.64 and 267,808.96 is: 369,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,224.80 : 619,706.64 = 267,808.96 : x
  2. Step 2: Convert to fraction form
    449,224.80/619,706.64 = 267,808.96/x
  3. Step 3: Cross multiply
    449,224.80x = 619,706.64 × 267,808.96
  4. Step 4: Simplify right side
    449,224.80x = 165,962,990,763.49
  5. Step 5: Solve for x
    x = 165,962,990,763.49/449,224.80
  6. Step 6: Final answer
    x = 369,443.07

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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.