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Finding the Fourth Proportional to 590,939.40, 886,697.10 and 275,233.80

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Solution

The fourth proportional to 590,939.40, 886,697.10 and 275,233.80 is: 412,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,939.40 : 886,697.10 = 275,233.80 : x
  2. Step 2: Convert to fraction form
    590,939.40/886,697.10 = 275,233.80/x
  3. Step 3: Cross multiply
    590,939.40x = 886,697.10 × 275,233.80
  4. Step 4: Simplify right side
    590,939.40x = 244,049,012,281.98
  5. Step 5: Solve for x
    x = 244,049,012,281.98/590,939.40
  6. Step 6: Final answer
    x = 412,984.84

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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.