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Finding the Fourth Proportional to 695,211, 959,391.18 and 377,259

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Solution

The fourth proportional to 695,211, 959,391.18 and 377,259 is: 520,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,211 : 959,391.18 = 377,259 : x
  2. Step 2: Convert to fraction form
    695,211/959,391.18 = 377,259/x
  3. Step 3: Cross multiply
    695,211x = 959,391.18 × 377,259
  4. Step 4: Simplify right side
    695,211x = 361,938,957,175.62
  5. Step 5: Solve for x
    x = 361,938,957,175.62/695,211
  6. Step 6: Final answer
    x = 520,617.42

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