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Finding the Fourth Proportional to 624,883.44, 862,334.64 and 338,396.88

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Solution

The fourth proportional to 624,883.44, 862,334.64 and 338,396.88 is: 466,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,883.44 : 862,334.64 = 338,396.88 : x
  2. Step 2: Convert to fraction form
    624,883.44/862,334.64 = 338,396.88/x
  3. Step 3: Cross multiply
    624,883.44x = 862,334.64 × 338,396.88
  4. Step 4: Simplify right side
    624,883.44x = 291,811,351,691.92
  5. Step 5: Solve for x
    x = 291,811,351,691.92/624,883.44
  6. Step 6: Final answer
    x = 466,985.25

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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.