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Finding the Fourth Proportional to 449,079.84, 619,714.67 and 267,698.25

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Solution

The fourth proportional to 449,079.84, 619,714.67 and 267,698.25 is: 369,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,079.84 : 619,714.67 = 267,698.25 : x
  2. Step 2: Convert to fraction form
    449,079.84/619,714.67 = 267,698.25/x
  3. Step 3: Cross multiply
    449,079.84x = 619,714.67 × 267,698.25
  4. Step 4: Simplify right side
    449,079.84x = 165,896,531,319.84
  5. Step 5: Solve for x
    x = 165,896,531,319.84/449,079.84
  6. Step 6: Final answer
    x = 369,414.34

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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.