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Finding the Fourth Proportional to 217,469.40, 326,204.10 and 217,469.40

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Solution

The fourth proportional to 217,469.40, 326,204.10 and 217,469.40 is: 326,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,469.40 : 326,204.10 = 217,469.40 : x
  2. Step 2: Convert to fraction form
    217,469.40/326,204.10 = 217,469.40/x
  3. Step 3: Cross multiply
    217,469.40x = 326,204.10 × 217,469.40
  4. Step 4: Simplify right side
    217,469.40x = 70,939,409,904.54
  5. Step 5: Solve for x
    x = 70,939,409,904.54/217,469.40
  6. Step 6: Final answer
    x = 326,204.10

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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.