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Finding the Fourth Proportional to 587,190.48, 810,273.36 and 325,552.78

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Solution

The fourth proportional to 587,190.48, 810,273.36 and 325,552.78 is: 449,235.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,190.48 : 810,273.36 = 325,552.78 : x
  2. Step 2: Convert to fraction form
    587,190.48/810,273.36 = 325,552.78/x
  3. Step 3: Cross multiply
    587,190.48x = 810,273.36 × 325,552.78
  4. Step 4: Simplify right side
    587,190.48x = 263,786,744,907.94
  5. Step 5: Solve for x
    x = 263,786,744,907.94/587,190.48
  6. Step 6: Final answer
    x = 449,235.39

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Similar ratio
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1.5x scale

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.