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Finding the Fourth Proportional to 475,274.81, 712,912.23 and 159,731.73

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Solution

The fourth proportional to 475,274.81, 712,912.23 and 159,731.73 is: 239,597.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,274.81 : 712,912.23 = 159,731.73 : x
  2. Step 2: Convert to fraction form
    475,274.81/712,912.23 = 159,731.73/x
  3. Step 3: Cross multiply
    475,274.81x = 712,912.23 × 159,731.73
  4. Step 4: Simplify right side
    475,274.81x = 113,874,703,836.06
  5. Step 5: Solve for x
    x = 113,874,703,836.06/475,274.81
  6. Step 6: Final answer
    x = 239,597.60

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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.