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Finding the Fourth Proportional to 340,620.51, 470,092.97 and 187,674.18

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Solution

The fourth proportional to 340,620.51, 470,092.97 and 187,674.18 is: 259,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,620.51 : 470,092.97 = 187,674.18 : x
  2. Step 2: Convert to fraction form
    340,620.51/470,092.97 = 187,674.18/x
  3. Step 3: Cross multiply
    340,620.51x = 470,092.97 × 187,674.18
  4. Step 4: Simplify right side
    340,620.51x = 88,224,311,730.14
  5. Step 5: Solve for x
    x = 88,224,311,730.14/340,620.51
  6. Step 6: Final answer
    x = 259,010.57

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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.