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Finding the Fourth Proportional to 446,816.64, 670,014.38 and 162,306.62

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Solution

The fourth proportional to 446,816.64, 670,014.38 and 162,306.62 is: 243,383.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,816.64 : 670,014.38 = 162,306.62 : x
  2. Step 2: Convert to fraction form
    446,816.64/670,014.38 = 162,306.62/x
  3. Step 3: Cross multiply
    446,816.64x = 670,014.38 × 162,306.62
  4. Step 4: Simplify right side
    446,816.64x = 108,747,769,369.20
  5. Step 5: Solve for x
    x = 108,747,769,369.20/446,816.64
  6. Step 6: Final answer
    x = 243,383.44

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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.