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Finding the Fourth Proportional to 393,680.49, 589,632.92 and 182,874.81

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Solution

The fourth proportional to 393,680.49, 589,632.92 and 182,874.81 is: 273,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,680.49 : 589,632.92 = 182,874.81 : x
  2. Step 2: Convert to fraction form
    393,680.49/589,632.92 = 182,874.81/x
  3. Step 3: Cross multiply
    393,680.49x = 589,632.92 × 182,874.81
  4. Step 4: Simplify right side
    393,680.49x = 107,829,007,300.37
  5. Step 5: Solve for x
    x = 107,829,007,300.37/393,680.49
  6. Step 6: Final answer
    x = 273,899.80

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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.