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Finding the Fourth Proportional to 511,063.20, 765,118.58 and 496,300.95

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Solution

The fourth proportional to 511,063.20, 765,118.58 and 496,300.95 is: 743,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,063.20 : 765,118.58 = 496,300.95 : x
  2. Step 2: Convert to fraction form
    511,063.20/765,118.58 = 496,300.95/x
  3. Step 3: Cross multiply
    511,063.20x = 765,118.58 × 496,300.95
  4. Step 4: Simplify right side
    511,063.20x = 379,729,075,635.15
  5. Step 5: Solve for x
    x = 379,729,075,635.15/511,063.20
  6. Step 6: Final answer
    x = 743,017.84

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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.