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Finding the Fourth Proportional to 613,237.98, 919,861.16 and 234,056.46

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Solution

The fourth proportional to 613,237.98, 919,861.16 and 234,056.46 is: 351,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,237.98 : 919,861.16 = 234,056.46 : x
  2. Step 2: Convert to fraction form
    613,237.98/919,861.16 = 234,056.46/x
  3. Step 3: Cross multiply
    613,237.98x = 919,861.16 × 234,056.46
  4. Step 4: Simplify right side
    613,237.98x = 215,299,446,801.09
  5. Step 5: Solve for x
    x = 215,299,446,801.09/613,237.98
  6. Step 6: Final answer
    x = 351,086.29

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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.