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Finding the Fourth Proportional to 547,181.74, 820,898.98 and 173,204.74

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Solution

The fourth proportional to 547,181.74, 820,898.98 and 173,204.74 is: 259,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,181.74 : 820,898.98 = 173,204.74 : x
  2. Step 2: Convert to fraction form
    547,181.74/820,898.98 = 173,204.74/x
  3. Step 3: Cross multiply
    547,181.74x = 820,898.98 × 173,204.74
  4. Step 4: Simplify right side
    547,181.74x = 142,183,594,397.17
  5. Step 5: Solve for x
    x = 142,183,594,397.17/547,181.74
  6. Step 6: Final answer
    x = 259,847.11

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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.