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Finding the Fourth Proportional to 694,404, 958,283.28 and 376,452

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Solution

The fourth proportional to 694,404, 958,283.28 and 376,452 is: 519,506.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,404 : 958,283.28 = 376,452 : x
  2. Step 2: Convert to fraction form
    694,404/958,283.28 = 376,452/x
  3. Step 3: Cross multiply
    694,404x = 958,283.28 × 376,452
  4. Step 4: Simplify right side
    694,404x = 360,747,657,322.56
  5. Step 5: Solve for x
    x = 360,747,657,322.56/694,404
  6. Step 6: Final answer
    x = 519,506.88

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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.