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Finding the Fourth Proportional to 416,891.60, 624,876.60 and 230,037.20

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Solution

The fourth proportional to 416,891.60, 624,876.60 and 230,037.20 is: 344,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,891.60 : 624,876.60 = 230,037.20 : x
  2. Step 2: Convert to fraction form
    416,891.60/624,876.60 = 230,037.20/x
  3. Step 3: Cross multiply
    416,891.60x = 624,876.60 × 230,037.20
  4. Step 4: Simplify right side
    416,891.60x = 143,744,863,409.52
  5. Step 5: Solve for x
    x = 143,744,863,409.52/416,891.60
  6. Step 6: Final answer
    x = 344,801.53

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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.