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Finding the Fourth Proportional to 682,414.40, 941,699.00 and 372,298.52

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Solution

The fourth proportional to 682,414.40, 941,699.00 and 372,298.52 is: 513,754.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,414.40 : 941,699.00 = 372,298.52 : x
  2. Step 2: Convert to fraction form
    682,414.40/941,699.00 = 372,298.52/x
  3. Step 3: Cross multiply
    682,414.40x = 941,699.00 × 372,298.52
  4. Step 4: Simplify right side
    682,414.40x = 350,593,147,270.47
  5. Step 5: Solve for x
    x = 350,593,147,270.47/682,414.40
  6. Step 6: Final answer
    x = 513,754.03

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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.