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Finding the Fourth Proportional to 451,817.61, 623,499.03 and 250,613.61

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Solution

The fourth proportional to 451,817.61, 623,499.03 and 250,613.61 is: 345,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,817.61 : 623,499.03 = 250,613.61 : x
  2. Step 2: Convert to fraction form
    451,817.61/623,499.03 = 250,613.61/x
  3. Step 3: Cross multiply
    451,817.61x = 623,499.03 × 250,613.61
  4. Step 4: Simplify right side
    451,817.61x = 156,257,342,739.80
  5. Step 5: Solve for x
    x = 156,257,342,739.80/451,817.61
  6. Step 6: Final answer
    x = 345,841.64

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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.