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Finding the Fourth Proportional to 270,812.76, 406,273.81 and 186,613.26

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Solution

The fourth proportional to 270,812.76, 406,273.81 and 186,613.26 is: 279,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,812.76 : 406,273.81 = 186,613.26 : x
  2. Step 2: Convert to fraction form
    270,812.76/406,273.81 = 186,613.26/x
  3. Step 3: Cross multiply
    270,812.76x = 406,273.81 × 186,613.26
  4. Step 4: Simplify right side
    270,812.76x = 75,816,080,136.72
  5. Step 5: Solve for x
    x = 75,816,080,136.72/270,812.76
  6. Step 6: Final answer
    x = 279,957.56

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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.