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Finding the Fourth Proportional to 331,651.44, 497,354.76 and 118,362.29

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Solution

The fourth proportional to 331,651.44, 497,354.76 and 118,362.29 is: 177,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,651.44 : 497,354.76 = 118,362.29 : x
  2. Step 2: Convert to fraction form
    331,651.44/497,354.76 = 118,362.29/x
  3. Step 3: Cross multiply
    331,651.44x = 497,354.76 × 118,362.29
  4. Step 4: Simplify right side
    331,651.44x = 58,868,045,849.23
  5. Step 5: Solve for x
    x = 58,868,045,849.23/331,651.44
  6. Step 6: Final answer
    x = 177,499.74

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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.