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Finding the Fourth Proportional to 303,549.94, 418,899.45 and 167,584.11

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Solution

The fourth proportional to 303,549.94, 418,899.45 and 167,584.11 is: 231,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,549.94 : 418,899.45 = 167,584.11 : x
  2. Step 2: Convert to fraction form
    303,549.94/418,899.45 = 167,584.11/x
  3. Step 3: Cross multiply
    303,549.94x = 418,899.45 × 167,584.11
  4. Step 4: Simplify right side
    303,549.94x = 70,200,891,978.96
  5. Step 5: Solve for x
    x = 70,200,891,978.96/303,549.94
  6. Step 6: Final answer
    x = 231,266.37

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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.