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Finding the Fourth Proportional to 679,583.52, 937,805.85 and 373,659.48

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Solution

The fourth proportional to 679,583.52, 937,805.85 and 373,659.48 is: 515,639.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,583.52 : 937,805.85 = 373,659.48 : x
  2. Step 2: Convert to fraction form
    679,583.52/937,805.85 = 373,659.48/x
  3. Step 3: Cross multiply
    679,583.52x = 937,805.85 × 373,659.48
  4. Step 4: Simplify right side
    679,583.52x = 350,420,046,251.96
  5. Step 5: Solve for x
    x = 350,420,046,251.96/679,583.52
  6. Step 6: Final answer
    x = 515,639.41

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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.