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Finding the Fourth Proportional to 360,995.88, 498,313.86 and 323,204.52

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Solution

The fourth proportional to 360,995.88, 498,313.86 and 323,204.52 is: 446,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,995.88 : 498,313.86 = 323,204.52 : x
  2. Step 2: Convert to fraction form
    360,995.88/498,313.86 = 323,204.52/x
  3. Step 3: Cross multiply
    360,995.88x = 498,313.86 × 323,204.52
  4. Step 4: Simplify right side
    360,995.88x = 161,057,291,930.65
  5. Step 5: Solve for x
    x = 161,057,291,930.65/360,995.88
  6. Step 6: Final answer
    x = 446,147.17

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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.