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Finding the Fourth Proportional to 655,936.40, 984,077.40 and 235,168.40

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Solution

The fourth proportional to 655,936.40, 984,077.40 and 235,168.40 is: 352,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,936.40 : 984,077.40 = 235,168.40 : x
  2. Step 2: Convert to fraction form
    655,936.40/984,077.40 = 235,168.40/x
  3. Step 3: Cross multiply
    655,936.40x = 984,077.40 × 235,168.40
  4. Step 4: Simplify right side
    655,936.40x = 231,423,907,634.16
  5. Step 5: Solve for x
    x = 231,423,907,634.16/655,936.40
  6. Step 6: Final answer
    x = 352,814.55

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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.