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Finding the Fourth Proportional to 416,487.60, 624,270.60 and 229,633.20

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Solution

The fourth proportional to 416,487.60, 624,270.60 and 229,633.20 is: 344,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,487.60 : 624,270.60 = 229,633.20 : x
  2. Step 2: Convert to fraction form
    416,487.60/624,270.60 = 229,633.20/x
  3. Step 3: Cross multiply
    416,487.60x = 624,270.60 × 229,633.20
  4. Step 4: Simplify right side
    416,487.60x = 143,353,255,543.92
  5. Step 5: Solve for x
    x = 143,353,255,543.92/416,487.60
  6. Step 6: Final answer
    x = 344,195.73

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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.