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Finding the Fourth Proportional to 217,224.40, 325,836.60 and 146,365.60

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Solution

The fourth proportional to 217,224.40, 325,836.60 and 146,365.60 is: 219,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,224.40 : 325,836.60 = 146,365.60 : x
  2. Step 2: Convert to fraction form
    217,224.40/325,836.60 = 146,365.60/x
  3. Step 3: Cross multiply
    217,224.40x = 325,836.60 × 146,365.60
  4. Step 4: Simplify right side
    217,224.40x = 47,691,269,460.96
  5. Step 5: Solve for x
    x = 47,691,269,460.96/217,224.40
  6. Step 6: Final answer
    x = 219,548.40

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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.