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Finding the Fourth Proportional to 491,883.80, 737,929.37 and 159,433.88

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Solution

The fourth proportional to 491,883.80, 737,929.37 and 159,433.88 is: 239,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,883.80 : 737,929.37 = 159,433.88 : x
  2. Step 2: Convert to fraction form
    491,883.80/737,929.37 = 159,433.88/x
  3. Step 3: Cross multiply
    491,883.80x = 737,929.37 × 159,433.88
  4. Step 4: Simplify right side
    491,883.80x = 117,650,939,333.99
  5. Step 5: Solve for x
    x = 117,650,939,333.99/491,883.80
  6. Step 6: Final answer
    x = 239,184.42

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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.