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Finding the Fourth Proportional to 303,774.71, 419,212.35 and 167,812.29

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Solution

The fourth proportional to 303,774.71, 419,212.35 and 167,812.29 is: 231,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,774.71 : 419,212.35 = 167,812.29 : x
  2. Step 2: Convert to fraction form
    303,774.71/419,212.35 = 167,812.29/x
  3. Step 3: Cross multiply
    303,774.71x = 419,212.35 × 167,812.29
  4. Step 4: Simplify right side
    303,774.71x = 70,348,984,449.78
  5. Step 5: Solve for x
    x = 70,348,984,449.78/303,774.71
  6. Step 6: Final answer
    x = 231,582.76

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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.