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Finding the Fourth Proportional to 656,912.17, 984,930.49 and 236,133.37

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Solution

The fourth proportional to 656,912.17, 984,930.49 and 236,133.37 is: 354,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,912.17 : 984,930.49 = 236,133.37 : x
  2. Step 2: Convert to fraction form
    656,912.17/984,930.49 = 236,133.37/x
  3. Step 3: Cross multiply
    656,912.17x = 984,930.49 × 236,133.37
  4. Step 4: Simplify right side
    656,912.17x = 232,574,955,819.45
  5. Step 5: Solve for x
    x = 232,574,955,819.45/656,912.17
  6. Step 6: Final answer
    x = 354,042.70

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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.