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Finding the Fourth Proportional to 655,557.82, 983,243.31 and 206,267.02

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Solution

The fourth proportional to 655,557.82, 983,243.31 and 206,267.02 is: 309,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,557.82 : 983,243.31 = 206,267.02 : x
  2. Step 2: Convert to fraction form
    655,557.82/983,243.31 = 206,267.02/x
  3. Step 3: Cross multiply
    655,557.82x = 983,243.31 × 206,267.02
  4. Step 4: Simplify right side
    655,557.82x = 202,810,670,948.02
  5. Step 5: Solve for x
    x = 202,810,670,948.02/655,557.82
  6. Step 6: Final answer
    x = 309,371.14

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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.