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Finding the Fourth Proportional to 496,250.10, 744,499.86 and 159,320.88

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Solution

The fourth proportional to 496,250.10, 744,499.86 and 159,320.88 is: 239,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,250.10 : 744,499.86 = 159,320.88 : x
  2. Step 2: Convert to fraction form
    496,250.10/744,499.86 = 159,320.88/x
  3. Step 3: Cross multiply
    496,250.10x = 744,499.86 × 159,320.88
  4. Step 4: Simplify right side
    496,250.10x = 118,614,372,855.08
  5. Step 5: Solve for x
    x = 118,614,372,855.08/496,250.10
  6. Step 6: Final answer
    x = 239,021.36

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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.