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Finding the Fourth Proportional to 557,806.56, 836,765.18 and 178,632.06

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Solution

The fourth proportional to 557,806.56, 836,765.18 and 178,632.06 is: 267,965.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,806.56 : 836,765.18 = 178,632.06 : x
  2. Step 2: Convert to fraction form
    557,806.56/836,765.18 = 178,632.06/x
  3. Step 3: Cross multiply
    557,806.56x = 836,765.18 × 178,632.06
  4. Step 4: Simplify right side
    557,806.56x = 149,473,087,839.67
  5. Step 5: Solve for x
    x = 149,473,087,839.67/557,806.56
  6. Step 6: Final answer
    x = 267,965.81

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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.