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Finding the Fourth Proportional to 331,884.72, 497,450.33 and 291,826.17

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Solution

The fourth proportional to 331,884.72, 497,450.33 and 291,826.17 is: 437,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,884.72 : 497,450.33 = 291,826.17 : x
  2. Step 2: Convert to fraction form
    331,884.72/497,450.33 = 291,826.17/x
  3. Step 3: Cross multiply
    331,884.72x = 497,450.33 × 291,826.17
  4. Step 4: Simplify right side
    331,884.72x = 145,169,023,110.01
  5. Step 5: Solve for x
    x = 145,169,023,110.01/331,884.72
  6. Step 6: Final answer
    x = 437,407.97

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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.