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Finding the Fourth Proportional to 298,246.92, 411,715.10 and 196,325.88

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Solution

The fourth proportional to 298,246.92, 411,715.10 and 196,325.88 is: 271,018.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,246.92 : 411,715.10 = 196,325.88 : x
  2. Step 2: Convert to fraction form
    298,246.92/411,715.10 = 196,325.88/x
  3. Step 3: Cross multiply
    298,246.92x = 411,715.10 × 196,325.88
  4. Step 4: Simplify right side
    298,246.92x = 80,830,329,316.79
  5. Step 5: Solve for x
    x = 80,830,329,316.79/298,246.92
  6. Step 6: Final answer
    x = 271,018.15

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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.