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Finding the Fourth Proportional to 591,633.48, 816,453.80 and 319,701.27

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Solution

The fourth proportional to 591,633.48, 816,453.80 and 319,701.27 is: 441,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,633.48 : 816,453.80 = 319,701.27 : x
  2. Step 2: Convert to fraction form
    591,633.48/816,453.80 = 319,701.27/x
  3. Step 3: Cross multiply
    591,633.48x = 816,453.80 × 319,701.27
  4. Step 4: Simplify right side
    591,633.48x = 261,021,315,157.82
  5. Step 5: Solve for x
    x = 261,021,315,157.82/591,633.48
  6. Step 6: Final answer
    x = 441,187.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.