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Finding the Fourth Proportional to 308,288.30, 462,152.22 and 118,627.68

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Solution

The fourth proportional to 308,288.30, 462,152.22 and 118,627.68 is: 177,833.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,288.30 : 462,152.22 = 118,627.68 : x
  2. Step 2: Convert to fraction form
    308,288.30/462,152.22 = 118,627.68/x
  3. Step 3: Cross multiply
    308,288.30x = 462,152.22 × 118,627.68
  4. Step 4: Simplify right side
    308,288.30x = 54,824,045,665.45
  5. Step 5: Solve for x
    x = 54,824,045,665.45/308,288.30
  6. Step 6: Final answer
    x = 177,833.69

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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.