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Finding the Fourth Proportional to 451,676.94, 623,314.08 and 250,472.94

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Solution

The fourth proportional to 451,676.94, 623,314.08 and 250,472.94 is: 345,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,676.94 : 623,314.08 = 250,472.94 : x
  2. Step 2: Convert to fraction form
    451,676.94/623,314.08 = 250,472.94/x
  3. Step 3: Cross multiply
    451,676.94x = 623,314.08 × 250,472.94
  4. Step 4: Simplify right side
    451,676.94x = 156,123,310,161.00
  5. Step 5: Solve for x
    x = 156,123,310,161.00/451,676.94
  6. Step 6: Final answer
    x = 345,652.60

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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.