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Finding the Fourth Proportional to 433,989.09, 650,668.18 and 181,341.89

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Solution

The fourth proportional to 433,989.09, 650,668.18 and 181,341.89 is: 271,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,989.09 : 650,668.18 = 181,341.89 : x
  2. Step 2: Convert to fraction form
    433,989.09/650,668.18 = 181,341.89/x
  3. Step 3: Cross multiply
    433,989.09x = 650,668.18 × 181,341.89
  4. Step 4: Simplify right side
    433,989.09x = 117,993,394,270.72
  5. Step 5: Solve for x
    x = 117,993,394,270.72/433,989.09
  6. Step 6: Final answer
    x = 271,881.02

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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.