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Finding the Fourth Proportional to 536,105.72, 803,922.40 and 251,877.06

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Solution

The fourth proportional to 536,105.72, 803,922.40 and 251,877.06 is: 377,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,105.72 : 803,922.40 = 251,877.06 : x
  2. Step 2: Convert to fraction form
    536,105.72/803,922.40 = 251,877.06/x
  3. Step 3: Cross multiply
    536,105.72x = 803,922.40 × 251,877.06
  4. Step 4: Simplify right side
    536,105.72x = 202,489,610,894.99
  5. Step 5: Solve for x
    x = 202,489,610,894.99/536,105.72
  6. Step 6: Final answer
    x = 377,704.63

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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.