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Finding the Fourth Proportional to 298,234.92, 411,428.56 and 177,307.60

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Solution

The fourth proportional to 298,234.92, 411,428.56 and 177,307.60 is: 244,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,234.92 : 411,428.56 = 177,307.60 : x
  2. Step 2: Convert to fraction form
    298,234.92/411,428.56 = 177,307.60/x
  3. Step 3: Cross multiply
    298,234.92x = 411,428.56 × 177,307.60
  4. Step 4: Simplify right side
    298,234.92x = 72,949,410,545.06
  5. Step 5: Solve for x
    x = 72,949,410,545.06/298,234.92
  6. Step 6: Final answer
    x = 244,603.85

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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.