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Finding the Fourth Proportional to 486,082.49, 670,831.47 and 268,333.83

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Solution

The fourth proportional to 486,082.49, 670,831.47 and 268,333.83 is: 370,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,082.49 : 670,831.47 = 268,333.83 : x
  2. Step 2: Convert to fraction form
    486,082.49/670,831.47 = 268,333.83/x
  3. Step 3: Cross multiply
    486,082.49x = 670,831.47 × 268,333.83
  4. Step 4: Simplify right side
    486,082.49x = 180,006,777,629.63
  5. Step 5: Solve for x
    x = 180,006,777,629.63/486,082.49
  6. Step 6: Final answer
    x = 370,321.46

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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.