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Finding the Fourth Proportional to 303,558.80, 418,908.88 and 167,592.72

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Solution

The fourth proportional to 303,558.80, 418,908.88 and 167,592.72 is: 231,276.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,558.80 : 418,908.88 = 167,592.72 : x
  2. Step 2: Convert to fraction form
    303,558.80/418,908.88 = 167,592.72/x
  3. Step 3: Cross multiply
    303,558.80x = 418,908.88 × 167,592.72
  4. Step 4: Simplify right side
    303,558.80x = 70,206,078,631.35
  5. Step 5: Solve for x
    x = 70,206,078,631.35/303,558.80
  6. Step 6: Final answer
    x = 231,276.70

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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.