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Finding the Fourth Proportional to 499,687.58, 749,422.82 and 158,157.56

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Solution

The fourth proportional to 499,687.58, 749,422.82 and 158,157.56 is: 237,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,687.58 : 749,422.82 = 158,157.56 : x
  2. Step 2: Convert to fraction form
    499,687.58/749,422.82 = 158,157.56/x
  3. Step 3: Cross multiply
    499,687.58x = 749,422.82 × 158,157.56
  4. Step 4: Simplify right side
    499,687.58x = 118,526,883,828.73
  5. Step 5: Solve for x
    x = 118,526,883,828.73/499,687.58
  6. Step 6: Final answer
    x = 237,201.98

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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.