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Finding the Fourth Proportional to 446,349.52, 669,233.28 and 161,986.44

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Solution

The fourth proportional to 446,349.52, 669,233.28 and 161,986.44 is: 242,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,349.52 : 669,233.28 = 161,986.44 : x
  2. Step 2: Convert to fraction form
    446,349.52/669,233.28 = 161,986.44/x
  3. Step 3: Cross multiply
    446,349.52x = 669,233.28 × 161,986.44
  4. Step 4: Simplify right side
    446,349.52x = 108,406,716,556.72
  5. Step 5: Solve for x
    x = 108,406,716,556.72/446,349.52
  6. Step 6: Final answer
    x = 242,874.05

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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.