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Finding the Fourth Proportional to 320,142.71, 441,879.93 and 184,190.58

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Solution

The fourth proportional to 320,142.71, 441,879.93 and 184,190.58 is: 254,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,142.71 : 441,879.93 = 184,190.58 : x
  2. Step 2: Convert to fraction form
    320,142.71/441,879.93 = 184,190.58/x
  3. Step 3: Cross multiply
    320,142.71x = 441,879.93 × 184,190.58
  4. Step 4: Simplify right side
    320,142.71x = 81,390,120,597.06
  5. Step 5: Solve for x
    x = 81,390,120,597.06/320,142.71
  6. Step 6: Final answer
    x = 254,230.75

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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.