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Finding the Fourth Proportional to 659,193.50, 988,885.01 and 203,820.26

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Solution

The fourth proportional to 659,193.50, 988,885.01 and 203,820.26 is: 305,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,193.50 : 988,885.01 = 203,820.26 : x
  2. Step 2: Convert to fraction form
    659,193.50/988,885.01 = 203,820.26/x
  3. Step 3: Cross multiply
    659,193.50x = 988,885.01 × 203,820.26
  4. Step 4: Simplify right side
    659,193.50x = 201,554,793,884.78
  5. Step 5: Solve for x
    x = 201,554,793,884.78/659,193.50
  6. Step 6: Final answer
    x = 305,759.68

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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.