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Finding the Fourth Proportional to 544,813.22, 751,852.31 and 303,118.34

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Solution

The fourth proportional to 544,813.22, 751,852.31 and 303,118.34 is: 418,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,813.22 : 751,852.31 = 303,118.34 : x
  2. Step 2: Convert to fraction form
    544,813.22/751,852.31 = 303,118.34/x
  3. Step 3: Cross multiply
    544,813.22x = 751,852.31 × 303,118.34
  4. Step 4: Simplify right side
    544,813.22x = 227,900,218,857.51
  5. Step 5: Solve for x
    x = 227,900,218,857.51/544,813.22
  6. Step 6: Final answer
    x = 418,308.90

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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.