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Finding the Fourth Proportional to 493,033.80, 739,548.30 and 193,302.60

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Solution

The fourth proportional to 493,033.80, 739,548.30 and 193,302.60 is: 289,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,033.80 : 739,548.30 = 193,302.60 : x
  2. Step 2: Convert to fraction form
    493,033.80/739,548.30 = 193,302.60/x
  3. Step 3: Cross multiply
    493,033.80x = 739,548.30 × 193,302.60
  4. Step 4: Simplify right side
    493,033.80x = 142,956,609,215.58
  5. Step 5: Solve for x
    x = 142,956,609,215.58/493,033.80
  6. Step 6: Final answer
    x = 289,952.96

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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.