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Finding the Fourth Proportional to 333,089.52, 499,629.65 and 80,367.90

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Solution

The fourth proportional to 333,089.52, 499,629.65 and 80,367.90 is: 120,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,089.52 : 499,629.65 = 80,367.90 : x
  2. Step 2: Convert to fraction form
    333,089.52/499,629.65 = 80,367.90/x
  3. Step 3: Cross multiply
    333,089.52x = 499,629.65 × 80,367.90
  4. Step 4: Simplify right side
    333,089.52x = 40,154,185,346.40
  5. Step 5: Solve for x
    x = 40,154,185,346.40/333,089.52
  6. Step 6: Final answer
    x = 120,550.73

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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.