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Finding the Fourth Proportional to 695,996.44, 960,416.46 and 385,907.32

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Solution

The fourth proportional to 695,996.44, 960,416.46 and 385,907.32 is: 532,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,996.44 : 960,416.46 = 385,907.32 : x
  2. Step 2: Convert to fraction form
    695,996.44/960,416.46 = 385,907.32/x
  3. Step 3: Cross multiply
    695,996.44x = 960,416.46 × 385,907.32
  4. Step 4: Simplify right side
    695,996.44x = 370,631,742,162.49
  5. Step 5: Solve for x
    x = 370,631,742,162.49/695,996.44
  6. Step 6: Final answer
    x = 532,519.59

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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.