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Finding the Fourth Proportional to 437,390.96, 603,644.12 and 267,737.20

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Solution

The fourth proportional to 437,390.96, 603,644.12 and 267,737.20 is: 369,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,390.96 : 603,644.12 = 267,737.20 : x
  2. Step 2: Convert to fraction form
    437,390.96/603,644.12 = 267,737.20/x
  3. Step 3: Cross multiply
    437,390.96x = 603,644.12 × 267,737.20
  4. Step 4: Simplify right side
    437,390.96x = 161,617,986,485.26
  5. Step 5: Solve for x
    x = 161,617,986,485.26/437,390.96
  6. Step 6: Final answer
    x = 369,504.63

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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.