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Finding the Fourth Proportional to 950,228, 1,425,480.96 and 276,221.72

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Solution

The fourth proportional to 950,228, 1,425,480.96 and 276,221.72 is: 414,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,228 : 1,425,480.96 = 276,221.72 : x
  2. Step 2: Convert to fraction form
    950,228/1,425,480.96 = 276,221.72/x
  3. Step 3: Cross multiply
    950,228x = 1,425,480.96 × 276,221.72
  4. Step 4: Simplify right side
    950,228x = 393,748,802,598.45
  5. Step 5: Solve for x
    x = 393,748,802,598.45/950,228
  6. Step 6: Final answer
    x = 414,372.97

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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.