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Finding the Fourth Proportional to 536,231.40, 804,930.30 and 300,035.40

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Solution

The fourth proportional to 536,231.40, 804,930.30 and 300,035.40 is: 450,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,231.40 : 804,930.30 = 300,035.40 : x
  2. Step 2: Convert to fraction form
    536,231.40/804,930.30 = 300,035.40/x
  3. Step 3: Cross multiply
    536,231.40x = 804,930.30 × 300,035.40
  4. Step 4: Simplify right side
    536,231.40x = 241,507,584,532.62
  5. Step 5: Solve for x
    x = 241,507,584,532.62/536,231.40
  6. Step 6: Final answer
    x = 450,379.42

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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.