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Finding the Fourth Proportional to 511,910.90, 766,758.21 and 333,877.82

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Solution

The fourth proportional to 511,910.90, 766,758.21 and 333,877.82 is: 500,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,910.90 : 766,758.21 = 333,877.82 : x
  2. Step 2: Convert to fraction form
    511,910.90/766,758.21 = 333,877.82/x
  3. Step 3: Cross multiply
    511,910.90x = 766,758.21 × 333,877.82
  4. Step 4: Simplify right side
    511,910.90x = 256,003,559,621.90
  5. Step 5: Solve for x
    x = 256,003,559,621.90/511,910.90
  6. Step 6: Final answer
    x = 500,093.98

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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.