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Finding the Fourth Proportional to 636,937.44, 955,571.40 and 187,674.18

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Solution

The fourth proportional to 636,937.44, 955,571.40 and 187,674.18 is: 281,559.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,937.44 : 955,571.40 = 187,674.18 : x
  2. Step 2: Convert to fraction form
    636,937.44/955,571.40 = 187,674.18/x
  3. Step 3: Cross multiply
    636,937.44x = 955,571.40 × 187,674.18
  4. Step 4: Simplify right side
    636,937.44x = 179,336,078,926.45
  5. Step 5: Solve for x
    x = 179,336,078,926.45/636,937.44
  6. Step 6: Final answer
    x = 281,559.96

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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.