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Finding the Fourth Proportional to 294,992.28, 442,505.03 and 84,624.75

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Solution

The fourth proportional to 294,992.28, 442,505.03 and 84,624.75 is: 126,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,992.28 : 442,505.03 = 84,624.75 : x
  2. Step 2: Convert to fraction form
    294,992.28/442,505.03 = 84,624.75/x
  3. Step 3: Cross multiply
    294,992.28x = 442,505.03 × 84,624.75
  4. Step 4: Simplify right side
    294,992.28x = 37,446,877,114.37
  5. Step 5: Solve for x
    x = 37,446,877,114.37/294,992.28
  6. Step 6: Final answer
    x = 126,941.89

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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.