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Finding the Fourth Proportional to 474,580.73, 654,912.65 and 259,716.48

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Solution

The fourth proportional to 474,580.73, 654,912.65 and 259,716.48 is: 358,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,580.73 : 654,912.65 = 259,716.48 : x
  2. Step 2: Convert to fraction form
    474,580.73/654,912.65 = 259,716.48/x
  3. Step 3: Cross multiply
    474,580.73x = 654,912.65 × 259,716.48
  4. Step 4: Simplify right side
    474,580.73x = 170,091,606,866.89
  5. Step 5: Solve for x
    x = 170,091,606,866.89/474,580.73
  6. Step 6: Final answer
    x = 358,403.95

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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.