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Finding the Fourth Proportional to 488,202.34, 732,420.41 and 203,734.65

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Solution

The fourth proportional to 488,202.34, 732,420.41 and 203,734.65 is: 305,650.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,202.34 : 732,420.41 = 203,734.65 : x
  2. Step 2: Convert to fraction form
    488,202.34/732,420.41 = 203,734.65/x
  3. Step 3: Cross multiply
    488,202.34x = 732,420.41 × 203,734.65
  4. Step 4: Simplify right side
    488,202.34x = 149,219,414,865.53
  5. Step 5: Solve for x
    x = 149,219,414,865.53/488,202.34
  6. Step 6: Final answer
    x = 305,650.76

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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.