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Finding the Fourth Proportional to 694,716.86, 958,709.26 and 376,764.86

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Solution

The fourth proportional to 694,716.86, 958,709.26 and 376,764.86 is: 519,935.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,716.86 : 958,709.26 = 376,764.86 : x
  2. Step 2: Convert to fraction form
    694,716.86/958,709.26 = 376,764.86/x
  3. Step 3: Cross multiply
    694,716.86x = 958,709.26 × 376,764.86
  4. Step 4: Simplify right side
    694,716.86x = 361,207,955,986.49
  5. Step 5: Solve for x
    x = 361,207,955,986.49/694,716.86
  6. Step 6: Final answer
    x = 519,935.50

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1.5x scale

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.