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Finding the Fourth Proportional to 437,546.94, 656,431.12 and 122,003.84

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Solution

The fourth proportional to 437,546.94, 656,431.12 and 122,003.84 is: 183,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,546.94 : 656,431.12 = 122,003.84 : x
  2. Step 2: Convert to fraction form
    437,546.94/656,431.12 = 122,003.84/x
  3. Step 3: Cross multiply
    437,546.94x = 656,431.12 × 122,003.84
  4. Step 4: Simplify right side
    437,546.94x = 80,087,120,254.63
  5. Step 5: Solve for x
    x = 80,087,120,254.63/437,546.94
  6. Step 6: Final answer
    x = 183,036.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.