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Finding the Fourth Proportional to 437,438.61, 603,665.29 and 236,234.61

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Solution

The fourth proportional to 437,438.61, 603,665.29 and 236,234.61 is: 326,003.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,438.61 : 603,665.29 = 236,234.61 : x
  2. Step 2: Convert to fraction form
    437,438.61/603,665.29 = 236,234.61/x
  3. Step 3: Cross multiply
    437,438.61x = 603,665.29 × 236,234.61
  4. Step 4: Simplify right side
    437,438.61x = 142,606,634,353.69
  5. Step 5: Solve for x
    x = 142,606,634,353.69/437,438.61
  6. Step 6: Final answer
    x = 326,003.77

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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.