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Finding the Fourth Proportional to 300,613.45, 414,853.27 and 171,549.36

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Solution

The fourth proportional to 300,613.45, 414,853.27 and 171,549.36 is: 236,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,613.45 : 414,853.27 = 171,549.36 : x
  2. Step 2: Convert to fraction form
    300,613.45/414,853.27 = 171,549.36/x
  3. Step 3: Cross multiply
    300,613.45x = 414,853.27 × 171,549.36
  4. Step 4: Simplify right side
    300,613.45x = 71,167,811,317.01
  5. Step 5: Solve for x
    x = 71,167,811,317.01/300,613.45
  6. Step 6: Final answer
    x = 236,741.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.