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Finding the Fourth Proportional to 365,780.84, 504,950.13 and 275,171.31

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Solution

The fourth proportional to 365,780.84, 504,950.13 and 275,171.31 is: 379,866.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,780.84 : 504,950.13 = 275,171.31 : x
  2. Step 2: Convert to fraction form
    365,780.84/504,950.13 = 275,171.31/x
  3. Step 3: Cross multiply
    365,780.84x = 504,950.13 × 275,171.31
  4. Step 4: Simplify right side
    365,780.84x = 138,947,788,756.77
  5. Step 5: Solve for x
    x = 138,947,788,756.77/365,780.84
  6. Step 6: Final answer
    x = 379,866.24

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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.