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Finding the Fourth Proportional to 329,632.20, 494,448.30 and 119,220.93

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Solution

The fourth proportional to 329,632.20, 494,448.30 and 119,220.93 is: 178,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,632.20 : 494,448.30 = 119,220.93 : x
  2. Step 2: Convert to fraction form
    329,632.20/494,448.30 = 119,220.93/x
  3. Step 3: Cross multiply
    329,632.20x = 494,448.30 × 119,220.93
  4. Step 4: Simplify right side
    329,632.20x = 58,948,586,162.92
  5. Step 5: Solve for x
    x = 58,948,586,162.92/329,632.20
  6. Step 6: Final answer
    x = 178,831.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.