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Finding the Fourth Proportional to 694,396.50, 958,272.93 and 376,444.50

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Solution

The fourth proportional to 694,396.50, 958,272.93 and 376,444.50 is: 519,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,396.50 : 958,272.93 = 376,444.50 : x
  2. Step 2: Convert to fraction form
    694,396.50/958,272.93 = 376,444.50/x
  3. Step 3: Cross multiply
    694,396.50x = 958,272.93 × 376,444.50
  4. Step 4: Simplify right side
    694,396.50x = 360,736,573,997.39
  5. Step 5: Solve for x
    x = 360,736,573,997.39/694,396.50
  6. Step 6: Final answer
    x = 519,496.53

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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.