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Finding the Fourth Proportional to 433,990.08, 650,669.69 and 181,342.89

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Solution

The fourth proportional to 433,990.08, 650,669.69 and 181,342.89 is: 271,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,990.08 : 650,669.69 = 181,342.89 : x
  2. Step 2: Convert to fraction form
    433,990.08/650,669.69 = 181,342.89/x
  3. Step 3: Cross multiply
    433,990.08x = 650,669.69 × 181,342.89
  4. Step 4: Simplify right side
    433,990.08x = 117,994,321,113.29
  5. Step 5: Solve for x
    x = 117,994,321,113.29/433,990.08
  6. Step 6: Final answer
    x = 271,882.53

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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.