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Finding the Fourth Proportional to 351,313.41, 484,812.10 and 190,168.41

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Solution

The fourth proportional to 351,313.41, 484,812.10 and 190,168.41 is: 262,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,313.41 : 484,812.10 = 190,168.41 : x
  2. Step 2: Convert to fraction form
    351,313.41/484,812.10 = 190,168.41/x
  3. Step 3: Cross multiply
    351,313.41x = 484,812.10 × 190,168.41
  4. Step 4: Simplify right side
    351,313.41x = 92,195,945,254.92
  5. Step 5: Solve for x
    x = 92,195,945,254.92/351,313.41
  6. Step 6: Final answer
    x = 262,432.19

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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.