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Finding the Fourth Proportional to 437,553.28, 603,823.44 and 236,349.28

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Solution

The fourth proportional to 437,553.28, 603,823.44 and 236,349.28 is: 326,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,553.28 : 603,823.44 = 236,349.28 : x
  2. Step 2: Convert to fraction form
    437,553.28/603,823.44 = 236,349.28/x
  3. Step 3: Cross multiply
    437,553.28x = 603,823.44 × 236,349.28
  4. Step 4: Simplify right side
    437,553.28x = 142,713,235,291.12
  5. Step 5: Solve for x
    x = 142,713,235,291.12/437,553.28
  6. Step 6: Final answer
    x = 326,161.96

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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.