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Finding the Fourth Proportional to 695,694.80, 960,079.56 and 440,987.60

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Solution

The fourth proportional to 695,694.80, 960,079.56 and 440,987.60 is: 608,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,694.80 : 960,079.56 = 440,987.60 : x
  2. Step 2: Convert to fraction form
    695,694.80/960,079.56 = 440,987.60/x
  3. Step 3: Cross multiply
    695,694.80x = 960,079.56 × 440,987.60
  4. Step 4: Simplify right side
    695,694.80x = 423,383,180,973.46
  5. Step 5: Solve for x
    x = 423,383,180,973.46/695,694.80
  6. Step 6: Final answer
    x = 608,576.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.