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Finding the Fourth Proportional to 695,247.75, 959,441.90 and 377,295.75

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Solution

The fourth proportional to 695,247.75, 959,441.90 and 377,295.75 is: 520,668.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,247.75 : 959,441.90 = 377,295.75 : x
  2. Step 2: Convert to fraction form
    695,247.75/959,441.90 = 377,295.75/x
  3. Step 3: Cross multiply
    695,247.75x = 959,441.90 × 377,295.75
  4. Step 4: Simplify right side
    695,247.75x = 361,993,349,355.45
  5. Step 5: Solve for x
    x = 361,993,349,355.45/695,247.75
  6. Step 6: Final answer
    x = 520,668.14

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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.