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Finding the Fourth Proportional to 231,408.60, 346,456.80 and 231,408.60

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Solution

The fourth proportional to 231,408.60, 346,456.80 and 231,408.60 is: 346,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,408.60 : 346,456.80 = 231,408.60 : x
  2. Step 2: Convert to fraction form
    231,408.60/346,456.80 = 231,408.60/x
  3. Step 3: Cross multiply
    231,408.60x = 346,456.80 × 231,408.60
  4. Step 4: Simplify right side
    231,408.60x = 80,173,083,048.48
  5. Step 5: Solve for x
    x = 80,173,083,048.48/231,408.60
  6. Step 6: Final answer
    x = 346,456.80

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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.