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Finding the Fourth Proportional to 547,176.74, 820,891.46 and 173,199.74

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Solution

The fourth proportional to 547,176.74, 820,891.46 and 173,199.74 is: 259,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,176.74 : 820,891.46 = 173,199.74 : x
  2. Step 2: Convert to fraction form
    547,176.74/820,891.46 = 173,199.74/x
  3. Step 3: Cross multiply
    547,176.74x = 820,891.46 × 173,199.74
  4. Step 4: Simplify right side
    547,176.74x = 142,178,183,768.76
  5. Step 5: Solve for x
    x = 142,178,183,768.76/547,176.74
  6. Step 6: Final answer
    x = 259,839.60

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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.