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Finding the Fourth Proportional to 303,396.44, 418,713.91 and 167,459.81

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Solution

The fourth proportional to 303,396.44, 418,713.91 and 167,459.81 is: 231,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,396.44 : 418,713.91 = 167,459.81 : x
  2. Step 2: Convert to fraction form
    303,396.44/418,713.91 = 167,459.81/x
  3. Step 3: Cross multiply
    303,396.44x = 418,713.91 × 167,459.81
  4. Step 4: Simplify right side
    303,396.44x = 70,117,749,300.74
  5. Step 5: Solve for x
    x = 70,117,749,300.74/303,396.44
  6. Step 6: Final answer
    x = 231,109.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.