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Finding the Fourth Proportional to 303,586.98, 418,928.40 and 167,598.96

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Solution

The fourth proportional to 303,586.98, 418,928.40 and 167,598.96 is: 231,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,586.98 : 418,928.40 = 167,598.96 : x
  2. Step 2: Convert to fraction form
    303,586.98/418,928.40 = 167,598.96/x
  3. Step 3: Cross multiply
    303,586.98x = 418,928.40 × 167,598.96
  4. Step 4: Simplify right side
    303,586.98x = 70,211,964,154.46
  5. Step 5: Solve for x
    x = 70,211,964,154.46/303,586.98
  6. Step 6: Final answer
    x = 231,274.62

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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.