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Finding the Fourth Proportional to 475,227.36, 655,813.77 and 260,375.58

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Solution

The fourth proportional to 475,227.36, 655,813.77 and 260,375.58 is: 359,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,227.36 : 655,813.77 = 260,375.58 : x
  2. Step 2: Convert to fraction form
    475,227.36/655,813.77 = 260,375.58/x
  3. Step 3: Cross multiply
    475,227.36x = 655,813.77 × 260,375.58
  4. Step 4: Simplify right side
    475,227.36x = 170,757,890,735.74
  5. Step 5: Solve for x
    x = 170,757,890,735.74/475,227.36
  6. Step 6: Final answer
    x = 359,318.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.