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Finding the Fourth Proportional to 483,494.78, 725,556.78 and 183,977.84

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Solution

The fourth proportional to 483,494.78, 725,556.78 and 183,977.84 is: 276,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,494.78 : 725,556.78 = 183,977.84 : x
  2. Step 2: Convert to fraction form
    483,494.78/725,556.78 = 183,977.84/x
  3. Step 3: Cross multiply
    483,494.78x = 725,556.78 × 183,977.84
  4. Step 4: Simplify right side
    483,494.78x = 133,486,369,181.76
  5. Step 5: Solve for x
    x = 133,486,369,181.76/483,494.78
  6. Step 6: Final answer
    x = 276,086.47

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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.