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Finding the Fourth Proportional to 298,378.52, 411,750.24 and 170,965.52

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Solution

The fourth proportional to 298,378.52, 411,750.24 and 170,965.52 is: 235,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,378.52 : 411,750.24 = 170,965.52 : x
  2. Step 2: Convert to fraction form
    298,378.52/411,750.24 = 170,965.52/x
  3. Step 3: Cross multiply
    298,378.52x = 411,750.24 × 170,965.52
  4. Step 4: Simplify right side
    298,378.52x = 70,395,093,891.72
  5. Step 5: Solve for x
    x = 70,395,093,891.72/298,378.52
  6. Step 6: Final answer
    x = 235,925.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.