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Finding the Fourth Proportional to 262,350.99, 393,326.46 and 82,332.59

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Solution

The fourth proportional to 262,350.99, 393,326.46 and 82,332.59 is: 123,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,350.99 : 393,326.46 = 82,332.59 : x
  2. Step 2: Convert to fraction form
    262,350.99/393,326.46 = 82,332.59/x
  3. Step 3: Cross multiply
    262,350.99x = 393,326.46 × 82,332.59
  4. Step 4: Simplify right side
    262,350.99x = 32,383,584,200.70
  5. Step 5: Solve for x
    x = 32,383,584,200.70/262,350.99
  6. Step 6: Final answer
    x = 123,436.10

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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.