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Finding the Fourth Proportional to 308,550.47, 462,883.61 and 140,082.62

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Solution

The fourth proportional to 308,550.47, 462,883.61 and 140,082.62 is: 210,150.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,550.47 : 462,883.61 = 140,082.62 : x
  2. Step 2: Convert to fraction form
    308,550.47/462,883.61 = 140,082.62/x
  3. Step 3: Cross multiply
    308,550.47x = 462,883.61 × 140,082.62
  4. Step 4: Simplify right side
    308,550.47x = 64,841,946,879.65
  5. Step 5: Solve for x
    x = 64,841,946,879.65/308,550.47
  6. Step 6: Final answer
    x = 210,150.22

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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.