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Finding the Fourth Proportional to 437,520.40, 656,572.20 and 200,741.20

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Solution

The fourth proportional to 437,520.40, 656,572.20 and 200,741.20 is: 301,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,520.40 : 656,572.20 = 200,741.20 : x
  2. Step 2: Convert to fraction form
    437,520.40/656,572.20 = 200,741.20/x
  3. Step 3: Cross multiply
    437,520.40x = 656,572.20 × 200,741.20
  4. Step 4: Simplify right side
    437,520.40x = 131,801,091,314.64
  5. Step 5: Solve for x
    x = 131,801,091,314.64/437,520.40
  6. Step 6: Final answer
    x = 301,245.59

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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.