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Finding the Fourth Proportional to 294,693.48, 442,043.31 and 235,902.87

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Solution

The fourth proportional to 294,693.48, 442,043.31 and 235,902.87 is: 353,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,693.48 : 442,043.31 = 235,902.87 : x
  2. Step 2: Convert to fraction form
    294,693.48/442,043.31 = 235,902.87/x
  3. Step 3: Cross multiply
    294,693.48x = 442,043.31 × 235,902.87
  4. Step 4: Simplify right side
    294,693.48x = 104,279,288,035.60
  5. Step 5: Solve for x
    x = 104,279,288,035.60/294,693.48
  6. Step 6: Final answer
    x = 353,856.78

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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.