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Finding the Fourth Proportional to 270,926.13, 406,651.64 and 130,783.17

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Solution

The fourth proportional to 270,926.13, 406,651.64 and 130,783.17 is: 196,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,926.13 : 406,651.64 = 130,783.17 : x
  2. Step 2: Convert to fraction form
    270,926.13/406,651.64 = 130,783.17/x
  3. Step 3: Cross multiply
    270,926.13x = 406,651.64 × 130,783.17
  4. Step 4: Simplify right side
    270,926.13x = 53,183,190,564.90
  5. Step 5: Solve for x
    x = 53,183,190,564.90/270,926.13
  6. Step 6: Final answer
    x = 196,301.44

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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.