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Finding the Fourth Proportional to 322,316.75, 483,101.42 and 303,633.28

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Solution

The fourth proportional to 322,316.75, 483,101.42 and 303,633.28 is: 455,097.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,316.75 : 483,101.42 = 303,633.28 : x
  2. Step 2: Convert to fraction form
    322,316.75/483,101.42 = 303,633.28/x
  3. Step 3: Cross multiply
    322,316.75x = 483,101.42 × 303,633.28
  4. Step 4: Simplify right side
    322,316.75x = 146,685,668,134.22
  5. Step 5: Solve for x
    x = 146,685,668,134.22/322,316.75
  6. Step 6: Final answer
    x = 455,097.88

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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.