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Finding the Fourth Proportional to 511,853.22, 766,204.92 and 333,977.22

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Solution

The fourth proportional to 511,853.22, 766,204.92 and 333,977.22 is: 499,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,853.22 : 766,204.92 = 333,977.22 : x
  2. Step 2: Convert to fraction form
    511,853.22/766,204.92 = 333,977.22/x
  3. Step 3: Cross multiply
    511,853.22x = 766,204.92 × 333,977.22
  4. Step 4: Simplify right side
    511,853.22x = 255,894,989,131.92
  5. Step 5: Solve for x
    x = 255,894,989,131.92/511,853.22
  6. Step 6: Final answer
    x = 499,938.22

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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.