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Finding the Fourth Proportional to 474,596.60, 654,943.56 and 259,736.54

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Solution

The fourth proportional to 474,596.60, 654,943.56 and 259,736.54 is: 358,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,596.60 : 654,943.56 = 259,736.54 : x
  2. Step 2: Convert to fraction form
    474,596.60/654,943.56 = 259,736.54/x
  3. Step 3: Cross multiply
    474,596.60x = 654,943.56 × 259,736.54
  4. Step 4: Simplify right side
    474,596.60x = 170,112,774,169.68
  5. Step 5: Solve for x
    x = 170,112,774,169.68/474,596.60
  6. Step 6: Final answer
    x = 358,436.56

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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.