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Finding the Fourth Proportional to 511,034.10, 766,551.15 and 453,953.40

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Solution

The fourth proportional to 511,034.10, 766,551.15 and 453,953.40 is: 680,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,034.10 : 766,551.15 = 453,953.40 : x
  2. Step 2: Convert to fraction form
    511,034.10/766,551.15 = 453,953.40/x
  3. Step 3: Cross multiply
    511,034.10x = 766,551.15 × 453,953.40
  4. Step 4: Simplify right side
    511,034.10x = 347,978,500,816.41
  5. Step 5: Solve for x
    x = 347,978,500,816.41/511,034.10
  6. Step 6: Final answer
    x = 680,930.10

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Similar ratio
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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.