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Finding the Fourth Proportional to 496,355.26, 742,654.08 and 294,059.98

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Solution

The fourth proportional to 496,355.26, 742,654.08 and 294,059.98 is: 439,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,355.26 : 742,654.08 = 294,059.98 : x
  2. Step 2: Convert to fraction form
    496,355.26/742,654.08 = 294,059.98/x
  3. Step 3: Cross multiply
    496,355.26x = 742,654.08 × 294,059.98
  4. Step 4: Simplify right side
    496,355.26x = 218,384,843,911.72
  5. Step 5: Solve for x
    x = 218,384,843,911.72/496,355.26
  6. Step 6: Final answer
    x = 439,976.89

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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.