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Finding the Fourth Proportional to 541,737.72, 813,393.90 and 400,020.12

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Solution

The fourth proportional to 541,737.72, 813,393.90 and 400,020.12 is: 600,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,737.72 : 813,393.90 = 400,020.12 : x
  2. Step 2: Convert to fraction form
    541,737.72/813,393.90 = 400,020.12/x
  3. Step 3: Cross multiply
    541,737.72x = 813,393.90 × 400,020.12
  4. Step 4: Simplify right side
    541,737.72x = 325,373,925,485.27
  5. Step 5: Solve for x
    x = 325,373,925,485.27/541,737.72
  6. Step 6: Final answer
    x = 600,611.54

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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.