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Finding the Fourth Proportional to 494,714.80, 742,072.20 and 444,851.20

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Solution

The fourth proportional to 494,714.80, 742,072.20 and 444,851.20 is: 667,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,714.80 : 742,072.20 = 444,851.20 : x
  2. Step 2: Convert to fraction form
    494,714.80/742,072.20 = 444,851.20/x
  3. Step 3: Cross multiply
    494,714.80x = 742,072.20 × 444,851.20
  4. Step 4: Simplify right side
    494,714.80x = 330,111,708,656.64
  5. Step 5: Solve for x
    x = 330,111,708,656.64/494,714.80
  6. Step 6: Final answer
    x = 667,276.80

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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.