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Finding the Fourth Proportional to 294,921, 442,383.12 and 73,305

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Solution

The fourth proportional to 294,921, 442,383.12 and 73,305 is: 109,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,921 : 442,383.12 = 73,305 : x
  2. Step 2: Convert to fraction form
    294,921/442,383.12 = 73,305/x
  3. Step 3: Cross multiply
    294,921x = 442,383.12 × 73,305
  4. Step 4: Simplify right side
    294,921x = 32,428,894,611.60
  5. Step 5: Solve for x
    x = 32,428,894,611.60/294,921
  6. Step 6: Final answer
    x = 109,957.90

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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.