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Finding the Fourth Proportional to 591,610.54, 816,487.41 and 343,307.18

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Solution

The fourth proportional to 591,610.54, 816,487.41 and 343,307.18 is: 473,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,610.54 : 816,487.41 = 343,307.18 : x
  2. Step 2: Convert to fraction form
    591,610.54/816,487.41 = 343,307.18/x
  3. Step 3: Cross multiply
    591,610.54x = 816,487.41 × 343,307.18
  4. Step 4: Simplify right side
    591,610.54x = 280,305,992,273.82
  5. Step 5: Solve for x
    x = 280,305,992,273.82/591,610.54
  6. Step 6: Final answer
    x = 473,801.55

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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.