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Finding the Fourth Proportional to 515,794.20, 773,035.20 and 248,980.20

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Solution

The fourth proportional to 515,794.20, 773,035.20 and 248,980.20 is: 373,153.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,794.20 : 773,035.20 = 248,980.20 : x
  2. Step 2: Convert to fraction form
    515,794.20/773,035.20 = 248,980.20/x
  3. Step 3: Cross multiply
    515,794.20x = 773,035.20 × 248,980.20
  4. Step 4: Simplify right side
    515,794.20x = 192,470,458,703.04
  5. Step 5: Solve for x
    x = 192,470,458,703.04/515,794.20
  6. Step 6: Final answer
    x = 373,153.59

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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.