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Finding the Fourth Proportional to 437,629, 603,928.02 and 236,425

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Solution

The fourth proportional to 437,629, 603,928.02 and 236,425 is: 326,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,629 : 603,928.02 = 236,425 : x
  2. Step 2: Convert to fraction form
    437,629/603,928.02 = 236,425/x
  3. Step 3: Cross multiply
    437,629x = 603,928.02 × 236,425
  4. Step 4: Simplify right side
    437,629x = 142,783,682,128.50
  5. Step 5: Solve for x
    x = 142,783,682,128.50/437,629
  6. Step 6: Final answer
    x = 326,266.50

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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.