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Finding the Fourth Proportional to 449,064.42, 619,693.44 and 267,682.86

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Solution

The fourth proportional to 449,064.42, 619,693.44 and 267,682.86 is: 369,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,064.42 : 619,693.44 = 267,682.86 : x
  2. Step 2: Convert to fraction form
    449,064.42/619,693.44 = 267,682.86/x
  3. Step 3: Cross multiply
    449,064.42x = 619,693.44 × 267,682.86
  4. Step 4: Simplify right side
    449,064.42x = 165,881,312,342.44
  5. Step 5: Solve for x
    x = 165,881,312,342.44/449,064.42
  6. Step 6: Final answer
    x = 369,393.13

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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.