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Finding the Fourth Proportional to 297,472.45, 446,385.97 and 107,947.60

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Solution

The fourth proportional to 297,472.45, 446,385.97 and 107,947.60 is: 161,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,472.45 : 446,385.97 = 107,947.60 : x
  2. Step 2: Convert to fraction form
    297,472.45/446,385.97 = 107,947.60/x
  3. Step 3: Cross multiply
    297,472.45x = 446,385.97 × 107,947.60
  4. Step 4: Simplify right side
    297,472.45x = 48,186,293,595.43
  5. Step 5: Solve for x
    x = 48,186,293,595.43/297,472.45
  6. Step 6: Final answer
    x = 161,985.74

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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.