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Finding the Fourth Proportional to 511,805.12, 767,843.80 and 174,845.24

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Solution

The fourth proportional to 511,805.12, 767,843.80 and 174,845.24 is: 262,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,805.12 : 767,843.80 = 174,845.24 : x
  2. Step 2: Convert to fraction form
    511,805.12/767,843.80 = 174,845.24/x
  3. Step 3: Cross multiply
    511,805.12x = 767,843.80 × 174,845.24
  4. Step 4: Simplify right side
    511,805.12x = 134,253,833,493.51
  5. Step 5: Solve for x
    x = 134,253,833,493.51/511,805.12
  6. Step 6: Final answer
    x = 262,314.36

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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.