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Finding the Fourth Proportional to 340,903.08, 470,424.92 and 187,933.37

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Solution

The fourth proportional to 340,903.08, 470,424.92 and 187,933.37 is: 259,336.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,903.08 : 470,424.92 = 187,933.37 : x
  2. Step 2: Convert to fraction form
    340,903.08/470,424.92 = 187,933.37/x
  3. Step 3: Cross multiply
    340,903.08x = 470,424.92 × 187,933.37
  4. Step 4: Simplify right side
    340,903.08x = 88,408,537,255.79
  5. Step 5: Solve for x
    x = 88,408,537,255.79/340,903.08
  6. Step 6: Final answer
    x = 259,336.28

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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.