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Finding the Fourth Proportional to 655,268.88, 982,902.60 and 206,029.02

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Solution

The fourth proportional to 655,268.88, 982,902.60 and 206,029.02 is: 309,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268.88 : 982,902.60 = 206,029.02 : x
  2. Step 2: Convert to fraction form
    655,268.88/982,902.60 = 206,029.02/x
  3. Step 3: Cross multiply
    655,268.88x = 982,902.60 × 206,029.02
  4. Step 4: Simplify right side
    655,268.88x = 202,506,459,433.45
  5. Step 5: Solve for x
    x = 202,506,459,433.45/655,268.88
  6. Step 6: Final answer
    x = 309,043.30

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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.