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Finding the Fourth Proportional to 437,438.87, 603,665.64 and 236,234.87

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Solution

The fourth proportional to 437,438.87, 603,665.64 and 236,234.87 is: 326,004.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,438.87 : 603,665.64 = 236,234.87 : x
  2. Step 2: Convert to fraction form
    437,438.87/603,665.64 = 236,234.87/x
  3. Step 3: Cross multiply
    437,438.87x = 603,665.64 × 236,234.87
  4. Step 4: Simplify right side
    437,438.87x = 142,606,870,970.54
  5. Step 5: Solve for x
    x = 142,606,870,970.54/437,438.87
  6. Step 6: Final answer
    x = 326,004.12

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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.