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Finding the Fourth Proportional to 511,786.74, 767,508.54 and 170,151.34

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Solution

The fourth proportional to 511,786.74, 767,508.54 and 170,151.34 is: 255,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,786.74 : 767,508.54 = 170,151.34 : x
  2. Step 2: Convert to fraction form
    511,786.74/767,508.54 = 170,151.34/x
  3. Step 3: Cross multiply
    511,786.74x = 767,508.54 × 170,151.34
  4. Step 4: Simplify right side
    511,786.74x = 130,592,606,542.44
  5. Step 5: Solve for x
    x = 130,592,606,542.44/511,786.74
  6. Step 6: Final answer
    x = 255,169.97

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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.