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Finding the Fourth Proportional to 536,872.53, 803,556.44 and 394,680.16

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Solution

The fourth proportional to 536,872.53, 803,556.44 and 394,680.16 is: 590,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,872.53 : 803,556.44 = 394,680.16 : x
  2. Step 2: Convert to fraction form
    536,872.53/803,556.44 = 394,680.16/x
  3. Step 3: Cross multiply
    536,872.53x = 803,556.44 × 394,680.16
  4. Step 4: Simplify right side
    536,872.53x = 317,147,784,308.23
  5. Step 5: Solve for x
    x = 317,147,784,308.23/536,872.53
  6. Step 6: Final answer
    x = 590,732.00

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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.