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Finding the Fourth Proportional to 511,823.88, 766,161.18 and 333,947.88

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Solution

The fourth proportional to 511,823.88, 766,161.18 and 333,947.88 is: 499,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,823.88 : 766,161.18 = 333,947.88 : x
  2. Step 2: Convert to fraction form
    511,823.88/766,161.18 = 333,947.88/x
  3. Step 3: Cross multiply
    511,823.88x = 766,161.18 × 333,947.88
  4. Step 4: Simplify right side
    511,823.88x = 255,857,901,799.30
  5. Step 5: Solve for x
    x = 255,857,901,799.30/511,823.88
  6. Step 6: Final answer
    x = 499,894.42

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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.