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Finding the Fourth Proportional to 339,754.65, 468,861.72 and 186,795.45

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Solution

The fourth proportional to 339,754.65, 468,861.72 and 186,795.45 is: 257,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,754.65 : 468,861.72 = 186,795.45 : x
  2. Step 2: Convert to fraction form
    339,754.65/468,861.72 = 186,795.45/x
  3. Step 3: Cross multiply
    339,754.65x = 468,861.72 × 186,795.45
  4. Step 4: Simplify right side
    339,754.65x = 87,581,235,975.17
  5. Step 5: Solve for x
    x = 87,581,235,975.17/339,754.65
  6. Step 6: Final answer
    x = 257,777.89

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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.