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Finding the Fourth Proportional to 493,269.80, 739,905.08 and 119,292.80

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Solution

The fourth proportional to 493,269.80, 739,905.08 and 119,292.80 is: 178,939.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,269.80 : 739,905.08 = 119,292.80 : x
  2. Step 2: Convert to fraction form
    493,269.80/739,905.08 = 119,292.80/x
  3. Step 3: Cross multiply
    493,269.80x = 739,905.08 × 119,292.80
  4. Step 4: Simplify right side
    493,269.80x = 88,265,348,727.42
  5. Step 5: Solve for x
    x = 88,265,348,727.42/493,269.80
  6. Step 6: Final answer
    x = 178,939.29

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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.