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Finding the Fourth Proportional to 435,491.14, 653,243.27 and 151,190.71

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Solution

The fourth proportional to 435,491.14, 653,243.27 and 151,190.71 is: 226,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,491.14 : 653,243.27 = 151,190.71 : x
  2. Step 2: Convert to fraction form
    435,491.14/653,243.27 = 151,190.71/x
  3. Step 3: Cross multiply
    435,491.14x = 653,243.27 × 151,190.71
  4. Step 4: Simplify right side
    435,491.14x = 98,764,313,794.02
  5. Step 5: Solve for x
    x = 98,764,313,794.02/435,491.14
  6. Step 6: Final answer
    x = 226,788.34

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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.