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Finding the Fourth Proportional to 655,239.30, 982,203.66 and 276,251.64

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Solution

The fourth proportional to 655,239.30, 982,203.66 and 276,251.64 is: 414,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,239.30 : 982,203.66 = 276,251.64 : x
  2. Step 2: Convert to fraction form
    655,239.30/982,203.66 = 276,251.64/x
  3. Step 3: Cross multiply
    655,239.30x = 982,203.66 × 276,251.64
  4. Step 4: Simplify right side
    655,239.30x = 271,335,371,889.00
  5. Step 5: Solve for x
    x = 271,335,371,889.00/655,239.30
  6. Step 6: Final answer
    x = 414,101.19

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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.