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Finding the Fourth Proportional to 511,135.56, 766,853.64 and 151,315.56

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Solution

The fourth proportional to 511,135.56, 766,853.64 and 151,315.56 is: 227,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,135.56 : 766,853.64 = 151,315.56 : x
  2. Step 2: Convert to fraction form
    511,135.56/766,853.64 = 151,315.56/x
  3. Step 3: Cross multiply
    511,135.56x = 766,853.64 × 151,315.56
  4. Step 4: Simplify right side
    511,135.56x = 116,036,887,974.64
  5. Step 5: Solve for x
    x = 116,036,887,974.64/511,135.56
  6. Step 6: Final answer
    x = 227,017.83

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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.