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Finding the Fourth Proportional to 511,673.32, 767,045.34 and 179,067.88

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Solution

The fourth proportional to 511,673.32, 767,045.34 and 179,067.88 is: 268,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,673.32 : 767,045.34 = 179,067.88 : x
  2. Step 2: Convert to fraction form
    511,673.32/767,045.34 = 179,067.88/x
  3. Step 3: Cross multiply
    511,673.32x = 767,045.34 × 179,067.88
  4. Step 4: Simplify right side
    511,673.32x = 137,353,182,897.68
  5. Step 5: Solve for x
    x = 137,353,182,897.68/511,673.32
  6. Step 6: Final answer
    x = 268,439.21

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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.