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Finding the Fourth Proportional to 217,606.44, 326,408.10 and 153,299.94

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Solution

The fourth proportional to 217,606.44, 326,408.10 and 153,299.94 is: 229,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,606.44 : 326,408.10 = 153,299.94 : x
  2. Step 2: Convert to fraction form
    217,606.44/326,408.10 = 153,299.94/x
  3. Step 3: Cross multiply
    217,606.44x = 326,408.10 × 153,299.94
  4. Step 4: Simplify right side
    217,606.44x = 50,038,342,145.51
  5. Step 5: Solve for x
    x = 50,038,342,145.51/217,606.44
  6. Step 6: Final answer
    x = 229,948.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.