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Finding the Fourth Proportional to 393,769.67, 590,883.89 and 166,051.35

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Solution

The fourth proportional to 393,769.67, 590,883.89 and 166,051.35 is: 249,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,769.67 : 590,883.89 = 166,051.35 : x
  2. Step 2: Convert to fraction form
    393,769.67/590,883.89 = 166,051.35/x
  3. Step 3: Cross multiply
    393,769.67x = 590,883.89 × 166,051.35
  4. Step 4: Simplify right side
    393,769.67x = 98,117,066,797.49
  5. Step 5: Solve for x
    x = 98,117,066,797.49/393,769.67
  6. Step 6: Final answer
    x = 249,173.76

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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.