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Finding the Fourth Proportional to 906,940.10, 1,360,082.10 and 366,969.80

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Solution

The fourth proportional to 906,940.10, 1,360,082.10 and 366,969.80 is: 550,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,940.10 : 1,360,082.10 = 366,969.80 : x
  2. Step 2: Convert to fraction form
    906,940.10/1,360,082.10 = 366,969.80/x
  3. Step 3: Cross multiply
    906,940.10x = 1,360,082.10 × 366,969.80
  4. Step 4: Simplify right side
    906,940.10x = 499,109,056,220.58
  5. Step 5: Solve for x
    x = 499,109,056,220.58/906,940.10
  6. Step 6: Final answer
    x = 550,321.96

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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.