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Finding the Fourth Proportional to 450,859.86, 622,079.82 and 267,005.58

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Solution

The fourth proportional to 450,859.86, 622,079.82 and 267,005.58 is: 368,404.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,859.86 : 622,079.82 = 267,005.58 : x
  2. Step 2: Convert to fraction form
    450,859.86/622,079.82 = 267,005.58/x
  3. Step 3: Cross multiply
    450,859.86x = 622,079.82 × 267,005.58
  4. Step 4: Simplify right side
    450,859.86x = 166,098,783,145.40
  5. Step 5: Solve for x
    x = 166,098,783,145.40/450,859.86
  6. Step 6: Final answer
    x = 368,404.46

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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.