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Finding the Fourth Proportional to 440,237.74, 660,498.46 and 200,437.44

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Solution

The fourth proportional to 440,237.74, 660,498.46 and 200,437.44 is: 300,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,237.74 : 660,498.46 = 200,437.44 : x
  2. Step 2: Convert to fraction form
    440,237.74/660,498.46 = 200,437.44/x
  3. Step 3: Cross multiply
    440,237.74x = 660,498.46 × 200,437.44
  4. Step 4: Simplify right side
    440,237.74x = 132,388,619,945.25
  5. Step 5: Solve for x
    x = 132,388,619,945.25/440,237.74
  6. Step 6: Final answer
    x = 300,720.74

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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.