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Finding the Fourth Proportional to 294,901.88, 442,353.09 and 73,285.88

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Solution

The fourth proportional to 294,901.88, 442,353.09 and 73,285.88 is: 109,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,901.88 : 442,353.09 = 73,285.88 : x
  2. Step 2: Convert to fraction form
    294,901.88/442,353.09 = 73,285.88/x
  3. Step 3: Cross multiply
    294,901.88x = 442,353.09 × 73,285.88
  4. Step 4: Simplify right side
    294,901.88x = 32,418,235,471.37
  5. Step 5: Solve for x
    x = 32,418,235,471.37/294,901.88
  6. Step 6: Final answer
    x = 109,928.89

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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.