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Finding the Fourth Proportional to 695,995.44, 960,415.08 and 385,906.32

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Solution

The fourth proportional to 695,995.44, 960,415.08 and 385,906.32 is: 532,518.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,995.44 : 960,415.08 = 385,906.32 : x
  2. Step 2: Convert to fraction form
    695,995.44/960,415.08 = 385,906.32/x
  3. Step 3: Cross multiply
    695,995.44x = 960,415.08 × 385,906.32
  4. Step 4: Simplify right side
    695,995.44x = 370,630,249,195.31
  5. Step 5: Solve for x
    x = 370,630,249,195.31/695,995.44
  6. Step 6: Final answer
    x = 532,518.21

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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.