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Finding the Fourth Proportional to 451,705.44, 623,337.84 and 250,520.16

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Solution

The fourth proportional to 451,705.44, 623,337.84 and 250,520.16 is: 345,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,705.44 : 623,337.84 = 250,520.16 : x
  2. Step 2: Convert to fraction form
    451,705.44/623,337.84 = 250,520.16/x
  3. Step 3: Cross multiply
    451,705.44x = 623,337.84 × 250,520.16
  4. Step 4: Simplify right side
    451,705.44x = 156,158,695,410.85
  5. Step 5: Solve for x
    x = 156,158,695,410.85/451,705.44
  6. Step 6: Final answer
    x = 345,709.13

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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.