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Finding the Fourth Proportional to 636,668.56, 954,899.04 and 187,284.33

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Solution

The fourth proportional to 636,668.56, 954,899.04 and 187,284.33 is: 280,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,668.56 : 954,899.04 = 187,284.33 : x
  2. Step 2: Convert to fraction form
    636,668.56/954,899.04 = 187,284.33/x
  3. Step 3: Cross multiply
    636,668.56x = 954,899.04 × 187,284.33
  4. Step 4: Simplify right side
    636,668.56x = 178,837,627,626.36
  5. Step 5: Solve for x
    x = 178,837,627,626.36/636,668.56
  6. Step 6: Final answer
    x = 280,895.96

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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.