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Finding the Fourth Proportional to 445,673.32, 668,614.62 and 150,185.32

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Solution

The fourth proportional to 445,673.32, 668,614.62 and 150,185.32 is: 225,313.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,673.32 : 668,614.62 = 150,185.32 : x
  2. Step 2: Convert to fraction form
    445,673.32/668,614.62 = 150,185.32/x
  3. Step 3: Cross multiply
    445,673.32x = 668,614.62 × 150,185.32
  4. Step 4: Simplify right side
    445,673.32x = 100,416,100,661.38
  5. Step 5: Solve for x
    x = 100,416,100,661.38/445,673.32
  6. Step 6: Final answer
    x = 225,313.24

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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.