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Finding the Fourth Proportional to 655,770.77, 983,691.25 and 206,526.62

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Solution

The fourth proportional to 655,770.77, 983,691.25 and 206,526.62 is: 309,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,770.77 : 983,691.25 = 206,526.62 : x
  2. Step 2: Convert to fraction form
    655,770.77/983,691.25 = 206,526.62/x
  3. Step 3: Cross multiply
    655,770.77x = 983,691.25 × 206,526.62
  4. Step 4: Simplify right side
    655,770.77x = 203,158,427,240.14
  5. Step 5: Solve for x
    x = 203,158,427,240.14/655,770.77
  6. Step 6: Final answer
    x = 309,800.98

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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.