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Finding the Fourth Proportional to 511,464.57, 767,227.58 and 156,481.66

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Solution

The fourth proportional to 511,464.57, 767,227.58 and 156,481.66 is: 234,731.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,464.57 : 767,227.58 = 156,481.66 : x
  2. Step 2: Convert to fraction form
    511,464.57/767,227.58 = 156,481.66/x
  3. Step 3: Cross multiply
    511,464.57x = 767,227.58 × 156,481.66
  4. Step 4: Simplify right side
    511,464.57x = 120,057,045,316.18
  5. Step 5: Solve for x
    x = 120,057,045,316.18/511,464.57
  6. Step 6: Final answer
    x = 234,731.89

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1.5x scale

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.