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Finding the Fourth Proportional to 511,809.71, 767,832.73 and 151,972.56

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Solution

The fourth proportional to 511,809.71, 767,832.73 and 151,972.56 is: 227,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,809.71 : 767,832.73 = 151,972.56 : x
  2. Step 2: Convert to fraction form
    511,809.71/767,832.73 = 151,972.56/x
  3. Step 3: Cross multiply
    511,809.71x = 767,832.73 × 151,972.56
  4. Step 4: Simplify right side
    511,809.71x = 116,689,505,249.96
  5. Step 5: Solve for x
    x = 116,689,505,249.96/511,809.71
  6. Step 6: Final answer
    x = 227,993.93

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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.