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Finding the Fourth Proportional to 633,865.44, 950,454.72 and 278,463.36

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Solution

The fourth proportional to 633,865.44, 950,454.72 and 278,463.36 is: 417,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,865.44 : 950,454.72 = 278,463.36 : x
  2. Step 2: Convert to fraction form
    633,865.44/950,454.72 = 278,463.36/x
  3. Step 3: Cross multiply
    633,865.44x = 950,454.72 × 278,463.36
  4. Step 4: Simplify right side
    633,865.44x = 264,666,814,859.06
  5. Step 5: Solve for x
    x = 264,666,814,859.06/633,865.44
  6. Step 6: Final answer
    x = 417,544.16

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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.