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Finding the Fourth Proportional to 488,378.54, 732,285.12 and 151,329.44

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Solution

The fourth proportional to 488,378.54, 732,285.12 and 151,329.44 is: 226,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,378.54 : 732,285.12 = 151,329.44 : x
  2. Step 2: Convert to fraction form
    488,378.54/732,285.12 = 151,329.44/x
  3. Step 3: Cross multiply
    488,378.54x = 732,285.12 × 151,329.44
  4. Step 4: Simplify right side
    488,378.54x = 110,816,297,129.93
  5. Step 5: Solve for x
    x = 110,816,297,129.93/488,378.54
  6. Step 6: Final answer
    x = 226,906.57

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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.