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Finding the Fourth Proportional to 659,537.73, 989,157.15 and 334,996.85

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Solution

The fourth proportional to 659,537.73, 989,157.15 and 334,996.85 is: 502,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,537.73 : 989,157.15 = 334,996.85 : x
  2. Step 2: Convert to fraction form
    659,537.73/989,157.15 = 334,996.85/x
  3. Step 3: Cross multiply
    659,537.73x = 989,157.15 × 334,996.85
  4. Step 4: Simplify right side
    659,537.73x = 331,364,531,877.87
  5. Step 5: Solve for x
    x = 331,364,531,877.87/659,537.73
  6. Step 6: Final answer
    x = 502,419.37

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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.