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Finding the Fourth Proportional to 906,980.30, 1,359,999.84 and 267,201

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Solution

The fourth proportional to 906,980.30, 1,359,999.84 and 267,201 is: 400,662.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,980.30 : 1,359,999.84 = 267,201 : x
  2. Step 2: Convert to fraction form
    906,980.30/1,359,999.84 = 267,201/x
  3. Step 3: Cross multiply
    906,980.30x = 1,359,999.84 × 267,201
  4. Step 4: Simplify right side
    906,980.30x = 363,393,317,247.84
  5. Step 5: Solve for x
    x = 363,393,317,247.84/906,980.30
  6. Step 6: Final answer
    x = 400,662.86

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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.