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Finding the Fourth Proportional to 650,604.80, 975,858.60 and 271,427.60

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Solution

The fourth proportional to 650,604.80, 975,858.60 and 271,427.60 is: 407,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,604.80 : 975,858.60 = 271,427.60 : x
  2. Step 2: Convert to fraction form
    650,604.80/975,858.60 = 271,427.60/x
  3. Step 3: Cross multiply
    650,604.80x = 975,858.60 × 271,427.60
  4. Step 4: Simplify right side
    650,604.80x = 264,874,957,737.36
  5. Step 5: Solve for x
    x = 264,874,957,737.36/650,604.80
  6. Step 6: Final answer
    x = 407,121.12

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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.