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Finding the Fourth Proportional to 298,028.52, 411,266.84 and 168,975.67

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Solution

The fourth proportional to 298,028.52, 411,266.84 and 168,975.67 is: 233,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,028.52 : 411,266.84 = 168,975.67 : x
  2. Step 2: Convert to fraction form
    298,028.52/411,266.84 = 168,975.67/x
  3. Step 3: Cross multiply
    298,028.52x = 411,266.84 × 168,975.67
  4. Step 4: Simplify right side
    298,028.52x = 69,494,088,992.90
  5. Step 5: Solve for x
    x = 69,494,088,992.90/298,028.52
  6. Step 6: Final answer
    x = 233,179.33

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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.