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Finding the Fourth Proportional to 453,910.44, 626,357.70 and 252,725.16

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Solution

The fourth proportional to 453,910.44, 626,357.70 and 252,725.16 is: 348,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,910.44 : 626,357.70 = 252,725.16 : x
  2. Step 2: Convert to fraction form
    453,910.44/626,357.70 = 252,725.16/x
  3. Step 3: Cross multiply
    453,910.44x = 626,357.70 × 252,725.16
  4. Step 4: Simplify right side
    453,910.44x = 158,296,349,949.73
  5. Step 5: Solve for x
    x = 158,296,349,949.73/453,910.44
  6. Step 6: Final answer
    x = 348,739.17

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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.