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Finding the Fourth Proportional to 571,745.54, 857,654.04 and 192,634.76

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Solution

The fourth proportional to 571,745.54, 857,654.04 and 192,634.76 is: 288,964.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,745.54 : 857,654.04 = 192,634.76 : x
  2. Step 2: Convert to fraction form
    571,745.54/857,654.04 = 192,634.76/x
  3. Step 3: Cross multiply
    571,745.54x = 857,654.04 × 192,634.76
  4. Step 4: Simplify right side
    571,745.54x = 165,213,980,158.43
  5. Step 5: Solve for x
    x = 165,213,980,158.43/571,745.54
  6. Step 6: Final answer
    x = 288,964.18

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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.