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Finding the Fourth Proportional to 308,288.29, 462,152.21 and 118,627.67

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Solution

The fourth proportional to 308,288.29, 462,152.21 and 118,627.67 is: 177,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,288.29 : 462,152.21 = 118,627.67 : x
  2. Step 2: Convert to fraction form
    308,288.29/462,152.21 = 118,627.67/x
  3. Step 3: Cross multiply
    308,288.29x = 462,152.21 × 118,627.67
  4. Step 4: Simplify right side
    308,288.29x = 54,824,039,857.65
  5. Step 5: Solve for x
    x = 54,824,039,857.65/308,288.29
  6. Step 6: Final answer
    x = 177,833.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.