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Finding the Fourth Proportional to 604,147.33, 905,654.80 and 204,508.45

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Solution

The fourth proportional to 604,147.33, 905,654.80 and 204,508.45 is: 306,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,147.33 : 905,654.80 = 204,508.45 : x
  2. Step 2: Convert to fraction form
    604,147.33/905,654.80 = 204,508.45/x
  3. Step 3: Cross multiply
    604,147.33x = 905,654.80 × 204,508.45
  4. Step 4: Simplify right side
    604,147.33x = 185,214,059,383.06
  5. Step 5: Solve for x
    x = 185,214,059,383.06/604,147.33
  6. Step 6: Final answer
    x = 306,571.01

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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.