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Finding the Fourth Proportional to 654,179.76, 902,793.66 and 367,698.96

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Solution

The fourth proportional to 654,179.76, 902,793.66 and 367,698.96 is: 507,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,179.76 : 902,793.66 = 367,698.96 : x
  2. Step 2: Convert to fraction form
    654,179.76/902,793.66 = 367,698.96/x
  3. Step 3: Cross multiply
    654,179.76x = 902,793.66 × 367,698.96
  4. Step 4: Simplify right side
    654,179.76x = 331,956,289,876.59
  5. Step 5: Solve for x
    x = 331,956,289,876.59/654,179.76
  6. Step 6: Final answer
    x = 507,438.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.