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Finding the Fourth Proportional to 336,456.20, 504,959.70 and 333,831.80

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Solution

The fourth proportional to 336,456.20, 504,959.70 and 333,831.80 is: 501,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,456.20 : 504,959.70 = 333,831.80 : x
  2. Step 2: Convert to fraction form
    336,456.20/504,959.70 = 333,831.80/x
  3. Step 3: Cross multiply
    336,456.20x = 504,959.70 × 333,831.80
  4. Step 4: Simplify right side
    336,456.20x = 168,571,605,578.46
  5. Step 5: Solve for x
    x = 168,571,605,578.46/336,456.20
  6. Step 6: Final answer
    x = 501,020.95

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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.