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Finding the Fourth Proportional to 294,998.40, 442,238.40 and 176,716.80

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Solution

The fourth proportional to 294,998.40, 442,238.40 and 176,716.80 is: 264,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,998.40 : 442,238.40 = 176,716.80 : x
  2. Step 2: Convert to fraction form
    294,998.40/442,238.40 = 176,716.80/x
  3. Step 3: Cross multiply
    294,998.40x = 442,238.40 × 176,716.80
  4. Step 4: Simplify right side
    294,998.40x = 78,150,954,885.12
  5. Step 5: Solve for x
    x = 78,150,954,885.12/294,998.40
  6. Step 6: Final answer
    x = 264,919.93

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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.