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Finding the Fourth Proportional to 416,469.60, 624,243.60 and 229,615.20

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Solution

The fourth proportional to 416,469.60, 624,243.60 and 229,615.20 is: 344,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,469.60 : 624,243.60 = 229,615.20 : x
  2. Step 2: Convert to fraction form
    416,469.60/624,243.60 = 229,615.20/x
  3. Step 3: Cross multiply
    416,469.60x = 624,243.60 × 229,615.20
  4. Step 4: Simplify right side
    416,469.60x = 143,335,819,062.72
  5. Step 5: Solve for x
    x = 143,335,819,062.72/416,469.60
  6. Step 6: Final answer
    x = 344,168.74

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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.