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Finding the Fourth Proportional to 350,808.24, 484,116.54 and 189,664.43

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Solution

The fourth proportional to 350,808.24, 484,116.54 and 189,664.43 is: 261,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,808.24 : 484,116.54 = 189,664.43 : x
  2. Step 2: Convert to fraction form
    350,808.24/484,116.54 = 189,664.43/x
  3. Step 3: Cross multiply
    350,808.24x = 484,116.54 × 189,664.43
  4. Step 4: Simplify right side
    350,808.24x = 91,819,687,612.67
  5. Step 5: Solve for x
    x = 91,819,687,612.67/350,808.24
  6. Step 6: Final answer
    x = 261,737.55

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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.