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Finding the Fourth Proportional to 695,598.44, 960,005.52 and 389,757.42

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Solution

The fourth proportional to 695,598.44, 960,005.52 and 389,757.42 is: 537,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,598.44 : 960,005.52 = 389,757.42 : x
  2. Step 2: Convert to fraction form
    695,598.44/960,005.52 = 389,757.42/x
  3. Step 3: Cross multiply
    695,598.44x = 960,005.52 × 389,757.42
  4. Step 4: Simplify right side
    695,598.44x = 374,169,274,660.96
  5. Step 5: Solve for x
    x = 374,169,274,660.96/695,598.44
  6. Step 6: Final answer
    x = 537,909.89

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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.