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Finding the Fourth Proportional to 547,074.60, 820,529.82 and 173,049

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Solution

The fourth proportional to 547,074.60, 820,529.82 and 173,049 is: 259,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,074.60 : 820,529.82 = 173,049 : x
  2. Step 2: Convert to fraction form
    547,074.60/820,529.82 = 173,049/x
  3. Step 3: Cross multiply
    547,074.60x = 820,529.82 × 173,049
  4. Step 4: Simplify right side
    547,074.60x = 141,991,864,821.18
  5. Step 5: Solve for x
    x = 141,991,864,821.18/547,074.60
  6. Step 6: Final answer
    x = 259,547.54

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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.