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Finding the Fourth Proportional to 655,773.42, 983,695.01 and 206,529.42

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Solution

The fourth proportional to 655,773.42, 983,695.01 and 206,529.42 is: 309,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,773.42 : 983,695.01 = 206,529.42 : x
  2. Step 2: Convert to fraction form
    655,773.42/983,695.01 = 206,529.42/x
  3. Step 3: Cross multiply
    655,773.42x = 983,695.01 × 206,529.42
  4. Step 4: Simplify right side
    655,773.42x = 203,161,958,839.55
  5. Step 5: Solve for x
    x = 203,161,958,839.55/655,773.42
  6. Step 6: Final answer
    x = 309,805.11

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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.