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Finding the Fourth Proportional to 539,387.56, 809,168.82 and 202,454.56

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Solution

The fourth proportional to 539,387.56, 809,168.82 and 202,454.56 is: 303,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,387.56 : 809,168.82 = 202,454.56 : x
  2. Step 2: Convert to fraction form
    539,387.56/809,168.82 = 202,454.56/x
  3. Step 3: Cross multiply
    539,387.56x = 809,168.82 × 202,454.56
  4. Step 4: Simplify right side
    539,387.56x = 163,819,917,418.82
  5. Step 5: Solve for x
    x = 163,819,917,418.82/539,387.56
  6. Step 6: Final answer
    x = 303,714.67

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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.