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Finding the Fourth Proportional to 294,532.70, 441,799.05 and 154,273.10

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Solution

The fourth proportional to 294,532.70, 441,799.05 and 154,273.10 is: 231,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,532.70 : 441,799.05 = 154,273.10 : x
  2. Step 2: Convert to fraction form
    294,532.70/441,799.05 = 154,273.10/x
  3. Step 3: Cross multiply
    294,532.70x = 441,799.05 × 154,273.10
  4. Step 4: Simplify right side
    294,532.70x = 68,157,709,020.56
  5. Step 5: Solve for x
    x = 68,157,709,020.56/294,532.70
  6. Step 6: Final answer
    x = 231,409.65

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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.