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Finding the Fourth Proportional to 338,010.46, 507,190.52 and 148,603.84

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Solution

The fourth proportional to 338,010.46, 507,190.52 and 148,603.84 is: 222,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,010.46 : 507,190.52 = 148,603.84 : x
  2. Step 2: Convert to fraction form
    338,010.46/507,190.52 = 148,603.84/x
  3. Step 3: Cross multiply
    338,010.46x = 507,190.52 × 148,603.84
  4. Step 4: Simplify right side
    338,010.46x = 75,370,458,883.60
  5. Step 5: Solve for x
    x = 75,370,458,883.60/338,010.46
  6. Step 6: Final answer
    x = 222,982.62

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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.