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Finding the Fourth Proportional to 474,600.74, 654,940.26 and 259,736.48

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Solution

The fourth proportional to 474,600.74, 654,940.26 and 259,736.48 is: 358,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,600.74 : 654,940.26 = 259,736.48 : x
  2. Step 2: Convert to fraction form
    474,600.74/654,940.26 = 259,736.48/x
  3. Step 3: Cross multiply
    474,600.74x = 654,940.26 × 259,736.48
  4. Step 4: Simplify right side
    474,600.74x = 170,111,877,742.69
  5. Step 5: Solve for x
    x = 170,111,877,742.69/474,600.74
  6. Step 6: Final answer
    x = 358,431.55

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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.