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Finding the Fourth Proportional to 339,738.33, 509,607.60 and 99,852.28

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Solution

The fourth proportional to 339,738.33, 509,607.60 and 99,852.28 is: 149,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,738.33 : 509,607.60 = 99,852.28 : x
  2. Step 2: Convert to fraction form
    339,738.33/509,607.60 = 99,852.28/x
  3. Step 3: Cross multiply
    339,738.33x = 509,607.60 × 99,852.28
  4. Step 4: Simplify right side
    339,738.33x = 50,885,479,678.53
  5. Step 5: Solve for x
    x = 50,885,479,678.53/339,738.33
  6. Step 6: Final answer
    x = 149,778.45

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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.