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Finding the Fourth Proportional to 332,273.89, 498,386.72 and 129,831.94

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Solution

The fourth proportional to 332,273.89, 498,386.72 and 129,831.94 is: 194,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,273.89 : 498,386.72 = 129,831.94 : x
  2. Step 2: Convert to fraction form
    332,273.89/498,386.72 = 129,831.94/x
  3. Step 3: Cross multiply
    332,273.89x = 498,386.72 × 129,831.94
  4. Step 4: Simplify right side
    332,273.89x = 64,706,514,727.84
  5. Step 5: Solve for x
    x = 64,706,514,727.84/332,273.89
  6. Step 6: Final answer
    x = 194,738.49

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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.