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Finding the Fourth Proportional to 320,361.57, 442,084.60 and 184,399.73

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Solution

The fourth proportional to 320,361.57, 442,084.60 and 184,399.73 is: 254,463.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,361.57 : 442,084.60 = 184,399.73 : x
  2. Step 2: Convert to fraction form
    320,361.57/442,084.60 = 184,399.73/x
  3. Step 3: Cross multiply
    320,361.57x = 442,084.60 × 184,399.73
  4. Step 4: Simplify right side
    320,361.57x = 81,520,280,877.16
  5. Step 5: Solve for x
    x = 81,520,280,877.16/320,361.57
  6. Step 6: Final answer
    x = 254,463.36

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1.5x scale

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.