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Finding the Fourth Proportional to 307,571.73, 424,448.40 and 171,597.59

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Solution

The fourth proportional to 307,571.73, 424,448.40 and 171,597.59 is: 236,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,571.73 : 424,448.40 = 171,597.59 : x
  2. Step 2: Convert to fraction form
    307,571.73/424,448.40 = 171,597.59/x
  3. Step 3: Cross multiply
    307,571.73x = 424,448.40 × 171,597.59
  4. Step 4: Simplify right side
    307,571.73x = 72,834,322,632.29
  5. Step 5: Solve for x
    x = 72,834,322,632.29/307,571.73
  6. Step 6: Final answer
    x = 236,804.35

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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.