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Finding the Fourth Proportional to 655,274.34, 982,911.91 and 181,959.75

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Solution

The fourth proportional to 655,274.34, 982,911.91 and 181,959.75 is: 272,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,274.34 : 982,911.91 = 181,959.75 : x
  2. Step 2: Convert to fraction form
    655,274.34/982,911.91 = 181,959.75/x
  3. Step 3: Cross multiply
    655,274.34x = 982,911.91 × 181,959.75
  4. Step 4: Simplify right side
    655,274.34x = 178,850,405,415.62
  5. Step 5: Solve for x
    x = 178,850,405,415.62/655,274.34
  6. Step 6: Final answer
    x = 272,939.74

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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.