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Finding the Fourth Proportional to 619,634.97, 928,812.96 and 260,014.64

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Solution

The fourth proportional to 619,634.97, 928,812.96 and 260,014.64 is: 389,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,634.97 : 928,812.96 = 260,014.64 : x
  2. Step 2: Convert to fraction form
    619,634.97/928,812.96 = 260,014.64/x
  3. Step 3: Cross multiply
    619,634.97x = 928,812.96 × 260,014.64
  4. Step 4: Simplify right side
    619,634.97x = 241,504,962,777.67
  5. Step 5: Solve for x
    x = 241,504,962,777.67/619,634.97
  6. Step 6: Final answer
    x = 389,753.60

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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.