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Finding the Fourth Proportional to 634,388.71, 951,780.27 and 207,928.27

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Solution

The fourth proportional to 634,388.71, 951,780.27 and 207,928.27 is: 311,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,388.71 : 951,780.27 = 207,928.27 : x
  2. Step 2: Convert to fraction form
    634,388.71/951,780.27 = 207,928.27/x
  3. Step 3: Cross multiply
    634,388.71x = 951,780.27 × 207,928.27
  4. Step 4: Simplify right side
    634,388.71x = 197,902,021,576.93
  5. Step 5: Solve for x
    x = 197,902,021,576.93/634,388.71
  6. Step 6: Final answer
    x = 311,957.04

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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.