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Finding the Fourth Proportional to 350,871.67, 484,202.57 and 189,726.34

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Solution

The fourth proportional to 350,871.67, 484,202.57 and 189,726.34 is: 261,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,871.67 : 484,202.57 = 189,726.34 : x
  2. Step 2: Convert to fraction form
    350,871.67/484,202.57 = 189,726.34/x
  3. Step 3: Cross multiply
    350,871.67x = 484,202.57 × 189,726.34
  4. Step 4: Simplify right side
    350,871.67x = 91,865,978,055.05
  5. Step 5: Solve for x
    x = 91,865,978,055.05/350,871.67
  6. Step 6: Final answer
    x = 261,822.16

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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.