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Finding the Fourth Proportional to 408,033.60, 611,629.20 and 183,501.60

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Solution

The fourth proportional to 408,033.60, 611,629.20 and 183,501.60 is: 275,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,033.60 : 611,629.20 = 183,501.60 : x
  2. Step 2: Convert to fraction form
    408,033.60/611,629.20 = 183,501.60/x
  3. Step 3: Cross multiply
    408,033.60x = 611,629.20 × 183,501.60
  4. Step 4: Simplify right side
    408,033.60x = 112,234,936,806.72
  5. Step 5: Solve for x
    x = 112,234,936,806.72/408,033.60
  6. Step 6: Final answer
    x = 275,062.98

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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.