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Finding the Fourth Proportional to 351,677.94, 485,315.67 and 190,534.10

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Solution

The fourth proportional to 351,677.94, 485,315.67 and 190,534.10 is: 262,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,677.94 : 485,315.67 = 190,534.10 : x
  2. Step 2: Convert to fraction form
    351,677.94/485,315.67 = 190,534.10/x
  3. Step 3: Cross multiply
    351,677.94x = 485,315.67 × 190,534.10
  4. Step 4: Simplify right side
    351,677.94x = 92,469,184,399.35
  5. Step 5: Solve for x
    x = 92,469,184,399.35/351,677.94
  6. Step 6: Final answer
    x = 262,937.12

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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.