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Finding the Fourth Proportional to 451,130.86, 676,648.60 and 237,813.31

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Solution

The fourth proportional to 451,130.86, 676,648.60 and 237,813.31 is: 356,694.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,130.86 : 676,648.60 = 237,813.31 : x
  2. Step 2: Convert to fraction form
    451,130.86/676,648.60 = 237,813.31/x
  3. Step 3: Cross multiply
    451,130.86x = 676,648.60 × 237,813.31
  4. Step 4: Simplify right side
    451,130.86x = 160,916,043,272.87
  5. Step 5: Solve for x
    x = 160,916,043,272.87/451,130.86
  6. Step 6: Final answer
    x = 356,694.83

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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.