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Finding the Fourth Proportional to 365,262, 547,893.20 and 115,944

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Solution

The fourth proportional to 365,262, 547,893.20 and 115,944 is: 173,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,262 : 547,893.20 = 115,944 : x
  2. Step 2: Convert to fraction form
    365,262/547,893.20 = 115,944/x
  3. Step 3: Cross multiply
    365,262x = 547,893.20 × 115,944
  4. Step 4: Simplify right side
    365,262x = 63,524,929,180.80
  5. Step 5: Solve for x
    x = 63,524,929,180.80/365,262
  6. Step 6: Final answer
    x = 173,916.06

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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.