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Finding the Fourth Proportional to 543,466.32, 815,229.21 and 164,377.89

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Solution

The fourth proportional to 543,466.32, 815,229.21 and 164,377.89 is: 246,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,466.32 : 815,229.21 = 164,377.89 : x
  2. Step 2: Convert to fraction form
    543,466.32/815,229.21 = 164,377.89/x
  3. Step 3: Cross multiply
    543,466.32x = 815,229.21 × 164,377.89
  4. Step 4: Simplify right side
    543,466.32x = 134,005,657,097.96
  5. Step 5: Solve for x
    x = 134,005,657,097.96/543,466.32
  6. Step 6: Final answer
    x = 246,575.83

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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.