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Finding the Fourth Proportional to 671,202.31, 926,097.15 and 395,571.49

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Solution

The fourth proportional to 671,202.31, 926,097.15 and 395,571.49 is: 545,793.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,202.31 : 926,097.15 = 395,571.49 : x
  2. Step 2: Convert to fraction form
    671,202.31/926,097.15 = 395,571.49/x
  3. Step 3: Cross multiply
    671,202.31x = 926,097.15 × 395,571.49
  4. Step 4: Simplify right side
    671,202.31x = 366,337,629,510.25
  5. Step 5: Solve for x
    x = 366,337,629,510.25/671,202.31
  6. Step 6: Final answer
    x = 545,793.16

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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.