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Finding the Fourth Proportional to 451,636.49, 623,286.33 and 250,432.49

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Solution

The fourth proportional to 451,636.49, 623,286.33 and 250,432.49 is: 345,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,636.49 : 623,286.33 = 250,432.49 : x
  2. Step 2: Convert to fraction form
    451,636.49/623,286.33 = 250,432.49/x
  3. Step 3: Cross multiply
    451,636.49x = 623,286.33 × 250,432.49
  4. Step 4: Simplify right side
    451,636.49x = 156,091,147,604.86
  5. Step 5: Solve for x
    x = 156,091,147,604.86/451,636.49
  6. Step 6: Final answer
    x = 345,612.35

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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.