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Finding the Fourth Proportional to 437,388.96, 603,641.36 and 267,735.20

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Solution

The fourth proportional to 437,388.96, 603,641.36 and 267,735.20 is: 369,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,388.96 : 603,641.36 = 267,735.20 : x
  2. Step 2: Convert to fraction form
    437,388.96/603,641.36 = 267,735.20/x
  3. Step 3: Cross multiply
    437,388.96x = 603,641.36 × 267,735.20
  4. Step 4: Simplify right side
    437,388.96x = 161,616,040,247.87
  5. Step 5: Solve for x
    x = 161,616,040,247.87/437,388.96
  6. Step 6: Final answer
    x = 369,501.87

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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.