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Finding the Fourth Proportional to 365,495.68, 547,965.64 and 252,876.52

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Solution

The fourth proportional to 365,495.68, 547,965.64 and 252,876.52 is: 379,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,495.68 : 547,965.64 = 252,876.52 : x
  2. Step 2: Convert to fraction form
    365,495.68/547,965.64 = 252,876.52/x
  3. Step 3: Cross multiply
    365,495.68x = 547,965.64 × 252,876.52
  4. Step 4: Simplify right side
    365,495.68x = 138,567,644,122.77
  5. Step 5: Solve for x
    x = 138,567,644,122.77/365,495.68
  6. Step 6: Final answer
    x = 379,122.52

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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.