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Finding the Fourth Proportional to 539,354.30, 809,323.05 and 223,843.10

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Solution

The fourth proportional to 539,354.30, 809,323.05 and 223,843.10 is: 335,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,354.30 : 809,323.05 = 223,843.10 : x
  2. Step 2: Convert to fraction form
    539,354.30/809,323.05 = 223,843.10/x
  3. Step 3: Cross multiply
    539,354.30x = 809,323.05 × 223,843.10
  4. Step 4: Simplify right side
    539,354.30x = 181,161,380,413.46
  5. Step 5: Solve for x
    x = 181,161,380,413.46/539,354.30
  6. Step 6: Final answer
    x = 335,885.67

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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.