Home / 492,331.20-738,280.80-226,003.20

Finding the Fourth Proportional to 492,331.20, 738,280.80 and 226,003.20

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Solution

The fourth proportional to 492,331.20, 738,280.80 and 226,003.20 is: 338,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,331.20 : 738,280.80 = 226,003.20 : x
  2. Step 2: Convert to fraction form
    492,331.20/738,280.80 = 226,003.20/x
  3. Step 3: Cross multiply
    492,331.20x = 738,280.80 × 226,003.20
  4. Step 4: Simplify right side
    492,331.20x = 166,853,823,298.56
  5. Step 5: Solve for x
    x = 166,853,823,298.56/492,331.20
  6. Step 6: Final answer
    x = 338,905.65

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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.