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Finding the Fourth Proportional to 511,672.32, 767,043.84 and 179,066.88

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Solution

The fourth proportional to 511,672.32, 767,043.84 and 179,066.88 is: 268,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,672.32 : 767,043.84 = 179,066.88 : x
  2. Step 2: Convert to fraction form
    511,672.32/767,043.84 = 179,066.88/x
  3. Step 3: Cross multiply
    511,672.32x = 767,043.84 × 179,066.88
  4. Step 4: Simplify right side
    511,672.32x = 137,352,147,252.02
  5. Step 5: Solve for x
    x = 137,352,147,252.02/511,672.32
  6. Step 6: Final answer
    x = 268,437.71

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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.