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Finding the Fourth Proportional to 679,504.50, 937,716.81 and 373,586.09

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Solution

The fourth proportional to 679,504.50, 937,716.81 and 373,586.09 is: 515,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,504.50 : 937,716.81 = 373,586.09 : x
  2. Step 2: Convert to fraction form
    679,504.50/937,716.81 = 373,586.09/x
  3. Step 3: Cross multiply
    679,504.50x = 937,716.81 × 373,586.09
  4. Step 4: Simplify right side
    679,504.50x = 350,317,951,886.59
  5. Step 5: Solve for x
    x = 350,317,951,886.59/679,504.50
  6. Step 6: Final answer
    x = 515,549.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.