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Finding the Fourth Proportional to 624,736.04, 862,131.84 and 338,255.24

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Solution

The fourth proportional to 624,736.04, 862,131.84 and 338,255.24 is: 466,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,736.04 : 862,131.84 = 338,255.24 : x
  2. Step 2: Convert to fraction form
    624,736.04/862,131.84 = 338,255.24/x
  3. Step 3: Cross multiply
    624,736.04x = 862,131.84 × 338,255.24
  4. Step 4: Simplify right side
    624,736.04x = 291,620,612,450.84
  5. Step 5: Solve for x
    x = 291,620,612,450.84/624,736.04
  6. Step 6: Final answer
    x = 466,790.12

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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.