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Finding the Fourth Proportional to 329,216.17, 493,824.89 and 126,907.54

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Solution

The fourth proportional to 329,216.17, 493,824.89 and 126,907.54 is: 190,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,216.17 : 493,824.89 = 126,907.54 : x
  2. Step 2: Convert to fraction form
    329,216.17/493,824.89 = 126,907.54/x
  3. Step 3: Cross multiply
    329,216.17x = 493,824.89 × 126,907.54
  4. Step 4: Simplify right side
    329,216.17x = 62,670,101,980.67
  5. Step 5: Solve for x
    x = 62,670,101,980.67/329,216.17
  6. Step 6: Final answer
    x = 190,361.55

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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.