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Finding the Fourth Proportional to 416,099.60, 624,149.40 and 316,566.80

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Solution

The fourth proportional to 416,099.60, 624,149.40 and 316,566.80 is: 474,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,099.60 : 624,149.40 = 316,566.80 : x
  2. Step 2: Convert to fraction form
    416,099.60/624,149.40 = 316,566.80/x
  3. Step 3: Cross multiply
    416,099.60x = 624,149.40 × 316,566.80
  4. Step 4: Simplify right side
    416,099.60x = 197,584,978,279.92
  5. Step 5: Solve for x
    x = 197,584,978,279.92/416,099.60
  6. Step 6: Final answer
    x = 474,850.20

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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.