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Finding the Fourth Proportional to 632,163.30, 948,244.95 and 419,586.90

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Solution

The fourth proportional to 632,163.30, 948,244.95 and 419,586.90 is: 629,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,163.30 : 948,244.95 = 419,586.90 : x
  2. Step 2: Convert to fraction form
    632,163.30/948,244.95 = 419,586.90/x
  3. Step 3: Cross multiply
    632,163.30x = 948,244.95 × 419,586.90
  4. Step 4: Simplify right side
    632,163.30x = 397,871,159,011.16
  5. Step 5: Solve for x
    x = 397,871,159,011.16/632,163.30
  6. Step 6: Final answer
    x = 629,380.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.