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Finding the Fourth Proportional to 340,759.98, 470,252.07 and 187,803.77

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Solution

The fourth proportional to 340,759.98, 470,252.07 and 187,803.77 is: 259,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,759.98 : 470,252.07 = 187,803.77 : x
  2. Step 2: Convert to fraction form
    340,759.98/470,252.07 = 187,803.77/x
  3. Step 3: Cross multiply
    340,759.98x = 470,252.07 × 187,803.77
  4. Step 4: Simplify right side
    340,759.98x = 88,315,109,245.04
  5. Step 5: Solve for x
    x = 88,315,109,245.04/340,759.98
  6. Step 6: Final answer
    x = 259,171.01

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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.