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Finding the Fourth Proportional to 453,809.44, 626,450.64 and 323,071.36

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Solution

The fourth proportional to 453,809.44, 626,450.64 and 323,071.36 is: 445,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,809.44 : 626,450.64 = 323,071.36 : x
  2. Step 2: Convert to fraction form
    453,809.44/626,450.64 = 323,071.36/x
  3. Step 3: Cross multiply
    453,809.44x = 626,450.64 × 323,071.36
  4. Step 4: Simplify right side
    453,809.44x = 202,388,260,237.67
  5. Step 5: Solve for x
    x = 202,388,260,237.67/453,809.44
  6. Step 6: Final answer
    x = 445,976.31

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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.