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Finding the Fourth Proportional to 483,188.68, 666,831.23 and 268,328.71

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Solution

The fourth proportional to 483,188.68, 666,831.23 and 268,328.71 is: 370,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,188.68 : 666,831.23 = 268,328.71 : x
  2. Step 2: Convert to fraction form
    483,188.68/666,831.23 = 268,328.71/x
  3. Step 3: Cross multiply
    483,188.68x = 666,831.23 × 268,328.71
  4. Step 4: Simplify right side
    483,188.68x = 178,929,963,733.61
  5. Step 5: Solve for x
    x = 178,929,963,733.61/483,188.68
  6. Step 6: Final answer
    x = 370,310.75

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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.