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Finding the Fourth Proportional to 476,474.67, 714,485.61 and 276,852.60

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Solution

The fourth proportional to 476,474.67, 714,485.61 and 276,852.60 is: 415,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,474.67 : 714,485.61 = 276,852.60 : x
  2. Step 2: Convert to fraction form
    476,474.67/714,485.61 = 276,852.60/x
  3. Step 3: Cross multiply
    476,474.67x = 714,485.61 × 276,852.60
  4. Step 4: Simplify right side
    476,474.67x = 197,807,198,791.09
  5. Step 5: Solve for x
    x = 197,807,198,791.09/476,474.67
  6. Step 6: Final answer
    x = 415,147.35

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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.