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Finding the Fourth Proportional to 329,642.70, 494,300.48 and 104,973.85

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Solution

The fourth proportional to 329,642.70, 494,300.48 and 104,973.85 is: 157,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,642.70 : 494,300.48 = 104,973.85 : x
  2. Step 2: Convert to fraction form
    329,642.70/494,300.48 = 104,973.85/x
  3. Step 3: Cross multiply
    329,642.70x = 494,300.48 × 104,973.85
  4. Step 4: Simplify right side
    329,642.70x = 51,888,623,917.58
  5. Step 5: Solve for x
    x = 51,888,623,917.58/329,642.70
  6. Step 6: Final answer
    x = 157,408.69

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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.