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Finding the Fourth Proportional to 547,070.60, 820,523.82 and 173,045

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Solution

The fourth proportional to 547,070.60, 820,523.82 and 173,045 is: 259,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,070.60 : 820,523.82 = 173,045 : x
  2. Step 2: Convert to fraction form
    547,070.60/820,523.82 = 173,045/x
  3. Step 3: Cross multiply
    547,070.60x = 820,523.82 × 173,045
  4. Step 4: Simplify right side
    547,070.60x = 141,987,544,431.90
  5. Step 5: Solve for x
    x = 141,987,544,431.90/547,070.60
  6. Step 6: Final answer
    x = 259,541.54

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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.