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Finding the Fourth Proportional to 217,408.59, 326,150.55 and 73,300.68

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Solution

The fourth proportional to 217,408.59, 326,150.55 and 73,300.68 is: 109,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,408.59 : 326,150.55 = 73,300.68 : x
  2. Step 2: Convert to fraction form
    217,408.59/326,150.55 = 73,300.68/x
  3. Step 3: Cross multiply
    217,408.59x = 326,150.55 × 73,300.68
  4. Step 4: Simplify right side
    217,408.59x = 23,907,057,097.37
  5. Step 5: Solve for x
    x = 23,907,057,097.37/217,408.59
  6. Step 6: Final answer
    x = 109,963.72

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1.5x scale

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.