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Finding the Fourth Proportional to 296,884.68, 445,216.41 and 119,331.84

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Solution

The fourth proportional to 296,884.68, 445,216.41 and 119,331.84 is: 178,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,884.68 : 445,216.41 = 119,331.84 : x
  2. Step 2: Convert to fraction form
    296,884.68/445,216.41 = 119,331.84/x
  3. Step 3: Cross multiply
    296,884.68x = 445,216.41 × 119,331.84
  4. Step 4: Simplify right side
    296,884.68x = 53,128,493,403.49
  5. Step 5: Solve for x
    x = 53,128,493,403.49/296,884.68
  6. Step 6: Final answer
    x = 178,953.30

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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.