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Finding the Fourth Proportional to 297,692.96, 446,546.72 and 87,337.58

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Solution

The fourth proportional to 297,692.96, 446,546.72 and 87,337.58 is: 131,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,692.96 : 446,546.72 = 87,337.58 : x
  2. Step 2: Convert to fraction form
    297,692.96/446,546.72 = 87,337.58/x
  3. Step 3: Cross multiply
    297,692.96x = 446,546.72 × 87,337.58
  4. Step 4: Simplify right side
    297,692.96x = 39,000,307,867.35
  5. Step 5: Solve for x
    x = 39,000,307,867.35/297,692.96
  6. Step 6: Final answer
    x = 131,008.50

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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.