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Finding the Fourth Proportional to 591,805.48, 887,714.70 and 171,085

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Solution

The fourth proportional to 591,805.48, 887,714.70 and 171,085 is: 256,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,805.48 : 887,714.70 = 171,085 : x
  2. Step 2: Convert to fraction form
    591,805.48/887,714.70 = 171,085/x
  3. Step 3: Cross multiply
    591,805.48x = 887,714.70 × 171,085
  4. Step 4: Simplify right side
    591,805.48x = 151,874,669,449.50
  5. Step 5: Solve for x
    x = 151,874,669,449.50/591,805.48
  6. Step 6: Final answer
    x = 256,629.37

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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.