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Finding the Fourth Proportional to 544,634.93, 751,543.58 and 315,146.54

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Solution

The fourth proportional to 544,634.93, 751,543.58 and 315,146.54 is: 434,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,634.93 : 751,543.58 = 315,146.54 : x
  2. Step 2: Convert to fraction form
    544,634.93/751,543.58 = 315,146.54/x
  3. Step 3: Cross multiply
    544,634.93x = 751,543.58 × 315,146.54
  4. Step 4: Simplify right side
    544,634.93x = 236,846,361,562.94
  5. Step 5: Solve for x
    x = 236,846,361,562.94/544,634.93
  6. Step 6: Final answer
    x = 434,871.78

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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.