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Finding the Fourth Proportional to 335,671.32, 463,172.22 and 192,405

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Solution

The fourth proportional to 335,671.32, 463,172.22 and 192,405 is: 265,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,671.32 : 463,172.22 = 192,405 : x
  2. Step 2: Convert to fraction form
    335,671.32/463,172.22 = 192,405/x
  3. Step 3: Cross multiply
    335,671.32x = 463,172.22 × 192,405
  4. Step 4: Simplify right side
    335,671.32x = 89,116,650,989.10
  5. Step 5: Solve for x
    x = 89,116,650,989.10/335,671.32
  6. Step 6: Final answer
    x = 265,487.83

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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.