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Finding the Fourth Proportional to 655,949.18, 983,586 and 300,658.88

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Solution

The fourth proportional to 655,949.18, 983,586 and 300,658.88 is: 450,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,949.18 : 983,586 = 300,658.88 : x
  2. Step 2: Convert to fraction form
    655,949.18/983,586 = 300,658.88/x
  3. Step 3: Cross multiply
    655,949.18x = 983,586 × 300,658.88
  4. Step 4: Simplify right side
    655,949.18x = 295,723,865,143.68
  5. Step 5: Solve for x
    x = 295,723,865,143.68/655,949.18
  6. Step 6: Final answer
    x = 450,833.50

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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.