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Finding the Fourth Proportional to 603,791.60, 905,687.40 and 367,595.60

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Solution

The fourth proportional to 603,791.60, 905,687.40 and 367,595.60 is: 551,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,791.60 : 905,687.40 = 367,595.60 : x
  2. Step 2: Convert to fraction form
    603,791.60/905,687.40 = 367,595.60/x
  3. Step 3: Cross multiply
    603,791.60x = 905,687.40 × 367,595.60
  4. Step 4: Simplify right side
    603,791.60x = 332,926,703,215.44
  5. Step 5: Solve for x
    x = 332,926,703,215.44/603,791.60
  6. Step 6: Final answer
    x = 551,393.40

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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.