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Finding the Fourth Proportional to 303,497.88, 418,850.28 and 167,558.04

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Solution

The fourth proportional to 303,497.88, 418,850.28 and 167,558.04 is: 231,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,497.88 : 418,850.28 = 167,558.04 : x
  2. Step 2: Convert to fraction form
    303,497.88/418,850.28 = 167,558.04/x
  3. Step 3: Cross multiply
    303,497.88x = 418,850.28 × 167,558.04
  4. Step 4: Simplify right side
    303,497.88x = 70,181,731,970.25
  5. Step 5: Solve for x
    x = 70,181,731,970.25/303,497.88
  6. Step 6: Final answer
    x = 231,242.91

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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.