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Finding the Fourth Proportional to 445,207.48, 667,888.98 and 195,883

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Solution

The fourth proportional to 445,207.48, 667,888.98 and 195,883 is: 293,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,207.48 : 667,888.98 = 195,883 : x
  2. Step 2: Convert to fraction form
    445,207.48/667,888.98 = 195,883/x
  3. Step 3: Cross multiply
    445,207.48x = 667,888.98 × 195,883
  4. Step 4: Simplify right side
    445,207.48x = 130,828,097,069.34
  5. Step 5: Solve for x
    x = 130,828,097,069.34/445,207.48
  6. Step 6: Final answer
    x = 293,858.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.