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Finding the Fourth Proportional to 482,174.88, 723,259.44 and 261,958.56

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Solution

The fourth proportional to 482,174.88, 723,259.44 and 261,958.56 is: 392,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,174.88 : 723,259.44 = 261,958.56 : x
  2. Step 2: Convert to fraction form
    482,174.88/723,259.44 = 261,958.56/x
  3. Step 3: Cross multiply
    482,174.88x = 723,259.44 × 261,958.56
  4. Step 4: Simplify right side
    482,174.88x = 189,464,001,408.81
  5. Step 5: Solve for x
    x = 189,464,001,408.81/482,174.88
  6. Step 6: Final answer
    x = 392,936.28

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1.5x scale

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.