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Finding the Fourth Proportional to 627,824.41, 866,393.30 and 341,344.49

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Solution

The fourth proportional to 627,824.41, 866,393.30 and 341,344.49 is: 471,053.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,824.41 : 866,393.30 = 341,344.49 : x
  2. Step 2: Convert to fraction form
    627,824.41/866,393.30 = 341,344.49/x
  3. Step 3: Cross multiply
    627,824.41x = 866,393.30 × 341,344.49
  4. Step 4: Simplify right side
    627,824.41x = 295,738,579,127.92
  5. Step 5: Solve for x
    x = 295,738,579,127.92/627,824.41
  6. Step 6: Final answer
    x = 471,053.01

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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.