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Finding the Fourth Proportional to 536,903.60, 805,614.60 and 378,791.60

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Solution

The fourth proportional to 536,903.60, 805,614.60 and 378,791.60 is: 568,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,903.60 : 805,614.60 = 378,791.60 : x
  2. Step 2: Convert to fraction form
    536,903.60/805,614.60 = 378,791.60/x
  3. Step 3: Cross multiply
    536,903.60x = 805,614.60 × 378,791.60
  4. Step 4: Simplify right side
    536,903.60x = 305,160,043,317.36
  5. Step 5: Solve for x
    x = 305,160,043,317.36/536,903.60
  6. Step 6: Final answer
    x = 568,370.27

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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.