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Finding the Fourth Proportional to 340,776.22, 470,252 and 187,813.94

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Solution

The fourth proportional to 340,776.22, 470,252 and 187,813.94 is: 259,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,776.22 : 470,252 = 187,813.94 : x
  2. Step 2: Convert to fraction form
    340,776.22/470,252 = 187,813.94/x
  3. Step 3: Cross multiply
    340,776.22x = 470,252 × 187,813.94
  4. Step 4: Simplify right side
    340,776.22x = 88,319,880,912.88
  5. Step 5: Solve for x
    x = 88,319,880,912.88/340,776.22
  6. Step 6: Final answer
    x = 259,172.66

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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.