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Finding the Fourth Proportional to 224,080.80, 336,121.20 and 222,525.60

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Solution

The fourth proportional to 224,080.80, 336,121.20 and 222,525.60 is: 333,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,080.80 : 336,121.20 = 222,525.60 : x
  2. Step 2: Convert to fraction form
    224,080.80/336,121.20 = 222,525.60/x
  3. Step 3: Cross multiply
    224,080.80x = 336,121.20 × 222,525.60
  4. Step 4: Simplify right side
    224,080.80x = 74,795,571,702.72
  5. Step 5: Solve for x
    x = 74,795,571,702.72/224,080.80
  6. Step 6: Final answer
    x = 333,788.40

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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.