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Finding the Fourth Proportional to 511,059.70, 766,589.55 and 351,627.40

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Solution

The fourth proportional to 511,059.70, 766,589.55 and 351,627.40 is: 527,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,059.70 : 766,589.55 = 351,627.40 : x
  2. Step 2: Convert to fraction form
    511,059.70/766,589.55 = 351,627.40/x
  3. Step 3: Cross multiply
    511,059.70x = 766,589.55 × 351,627.40
  4. Step 4: Simplify right side
    511,059.70x = 269,553,890,333.67
  5. Step 5: Solve for x
    x = 269,553,890,333.67/511,059.70
  6. Step 6: Final answer
    x = 527,441.10

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Similar ratio
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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.