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Finding the Fourth Proportional to 493,903.60, 740,855.40 and 119,926.60

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Solution

The fourth proportional to 493,903.60, 740,855.40 and 119,926.60 is: 179,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,903.60 : 740,855.40 = 119,926.60 : x
  2. Step 2: Convert to fraction form
    493,903.60/740,855.40 = 119,926.60/x
  3. Step 3: Cross multiply
    493,903.60x = 740,855.40 × 119,926.60
  4. Step 4: Simplify right side
    493,903.60x = 88,848,269,213.64
  5. Step 5: Solve for x
    x = 88,848,269,213.64/493,903.60
  6. Step 6: Final answer
    x = 179,889.90

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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.