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Finding the Fourth Proportional to 322,545.83, 445,124.64 and 177,362.61

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Solution

The fourth proportional to 322,545.83, 445,124.64 and 177,362.61 is: 244,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,545.83 : 445,124.64 = 177,362.61 : x
  2. Step 2: Convert to fraction form
    322,545.83/445,124.64 = 177,362.61/x
  3. Step 3: Cross multiply
    322,545.83x = 445,124.64 × 177,362.61
  4. Step 4: Simplify right side
    322,545.83x = 78,948,467,925.71
  5. Step 5: Solve for x
    x = 78,948,467,925.71/322,545.83
  6. Step 6: Final answer
    x = 244,766.67

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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.