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Finding the Fourth Proportional to 226,431.60, 339,647.40 and 60,219.60

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Solution

The fourth proportional to 226,431.60, 339,647.40 and 60,219.60 is: 90,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,431.60 : 339,647.40 = 60,219.60 : x
  2. Step 2: Convert to fraction form
    226,431.60/339,647.40 = 60,219.60/x
  3. Step 3: Cross multiply
    226,431.60x = 339,647.40 × 60,219.60
  4. Step 4: Simplify right side
    226,431.60x = 20,453,430,569.04
  5. Step 5: Solve for x
    x = 20,453,430,569.04/226,431.60
  6. Step 6: Final answer
    x = 90,329.40

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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.