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Finding the Fourth Proportional to 330,754.89, 496,382.02 and 242,237.89

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Solution

The fourth proportional to 330,754.89, 496,382.02 and 242,237.89 is: 363,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,754.89 : 496,382.02 = 242,237.89 : x
  2. Step 2: Convert to fraction form
    330,754.89/496,382.02 = 242,237.89/x
  3. Step 3: Cross multiply
    330,754.89x = 496,382.02 × 242,237.89
  4. Step 4: Simplify right side
    330,754.89x = 120,242,534,536.21
  5. Step 5: Solve for x
    x = 120,242,534,536.21/330,754.89
  6. Step 6: Final answer
    x = 363,539.70

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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.