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Finding the Fourth Proportional to 511,198.09, 766,797.13 and 156,209.03

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Solution

The fourth proportional to 511,198.09, 766,797.13 and 156,209.03 is: 234,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,198.09 : 766,797.13 = 156,209.03 : x
  2. Step 2: Convert to fraction form
    511,198.09/766,797.13 = 156,209.03/x
  3. Step 3: Cross multiply
    511,198.09x = 766,797.13 × 156,209.03
  4. Step 4: Simplify right side
    511,198.09x = 119,780,637,277.47
  5. Step 5: Solve for x
    x = 119,780,637,277.47/511,198.09
  6. Step 6: Final answer
    x = 234,313.55

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Similar ratio
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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.