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Finding the Fourth Proportional to 575,546.96, 863,399.28 and 196,365.98

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Solution

The fourth proportional to 575,546.96, 863,399.28 and 196,365.98 is: 294,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,546.96 : 863,399.28 = 196,365.98 : x
  2. Step 2: Convert to fraction form
    575,546.96/863,399.28 = 196,365.98/x
  3. Step 3: Cross multiply
    575,546.96x = 863,399.28 × 196,365.98
  4. Step 4: Simplify right side
    575,546.96x = 169,542,245,748.49
  5. Step 5: Solve for x
    x = 169,542,245,748.49/575,546.96
  6. Step 6: Final answer
    x = 294,575.87

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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.