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Finding the Fourth Proportional to 433,845.87, 650,662.62 and 181,128.45

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Solution

The fourth proportional to 433,845.87, 650,662.62 and 181,128.45 is: 271,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,845.87 : 650,662.62 = 181,128.45 : x
  2. Step 2: Convert to fraction form
    433,845.87/650,662.62 = 181,128.45/x
  3. Step 3: Cross multiply
    433,845.87x = 650,662.62 × 181,128.45
  4. Step 4: Simplify right side
    433,845.87x = 117,853,514,613.14
  5. Step 5: Solve for x
    x = 117,853,514,613.14/433,845.87
  6. Step 6: Final answer
    x = 271,648.35

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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.