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Finding the Fourth Proportional to 445,491.40, 614,770.68 and 251,896

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Solution

The fourth proportional to 445,491.40, 614,770.68 and 251,896 is: 347,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,491.40 : 614,770.68 = 251,896 : x
  2. Step 2: Convert to fraction form
    445,491.40/614,770.68 = 251,896/x
  3. Step 3: Cross multiply
    445,491.40x = 614,770.68 × 251,896
  4. Step 4: Simplify right side
    445,491.40x = 154,858,275,209.28
  5. Step 5: Solve for x
    x = 154,858,275,209.28/445,491.40
  6. Step 6: Final answer
    x = 347,612.27

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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.