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Finding the Fourth Proportional to 501,209.67, 751,639.50 and 201,612.54

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Solution

The fourth proportional to 501,209.67, 751,639.50 and 201,612.54 is: 302,348.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,209.67 : 751,639.50 = 201,612.54 : x
  2. Step 2: Convert to fraction form
    501,209.67/751,639.50 = 201,612.54/x
  3. Step 3: Cross multiply
    501,209.67x = 751,639.50 × 201,612.54
  4. Step 4: Simplify right side
    501,209.67x = 151,539,951,577.98
  5. Step 5: Solve for x
    x = 151,539,951,577.98/501,209.67
  6. Step 6: Final answer
    x = 302,348.42

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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.