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Finding the Fourth Proportional to 654,889.11, 982,333.89 and 294,639.23

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Solution

The fourth proportional to 654,889.11, 982,333.89 and 294,639.23 is: 441,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,889.11 : 982,333.89 = 294,639.23 : x
  2. Step 2: Convert to fraction form
    654,889.11/982,333.89 = 294,639.23/x
  3. Step 3: Cross multiply
    654,889.11x = 982,333.89 × 294,639.23
  4. Step 4: Simplify right side
    654,889.11x = 289,434,100,952.51
  5. Step 5: Solve for x
    x = 289,434,100,952.51/654,889.11
  6. Step 6: Final answer
    x = 441,958.95

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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.