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Finding the Fourth Proportional to 336,673.91, 465,225.86 and 320,273.03

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Solution

The fourth proportional to 336,673.91, 465,225.86 and 320,273.03 is: 442,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,673.91 : 465,225.86 = 320,273.03 : x
  2. Step 2: Convert to fraction form
    336,673.91/465,225.86 = 320,273.03/x
  3. Step 3: Cross multiply
    336,673.91x = 465,225.86 × 320,273.03
  4. Step 4: Simplify right side
    336,673.91x = 148,999,295,816.56
  5. Step 5: Solve for x
    x = 148,999,295,816.56/336,673.91
  6. Step 6: Final answer
    x = 442,562.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.