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Finding the Fourth Proportional to 270,950.44, 406,688.06 and 130,807.48

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Solution

The fourth proportional to 270,950.44, 406,688.06 and 130,807.48 is: 196,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,950.44 : 406,688.06 = 130,807.48 : x
  2. Step 2: Convert to fraction form
    270,950.44/406,688.06 = 130,807.48/x
  3. Step 3: Cross multiply
    270,950.44x = 406,688.06 × 130,807.48
  4. Step 4: Simplify right side
    270,950.44x = 53,197,840,274.69
  5. Step 5: Solve for x
    x = 53,197,840,274.69/270,950.44
  6. Step 6: Final answer
    x = 196,337.90

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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.