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Finding the Fourth Proportional to 297,750.42, 446,670.27 and 87,363.54

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Solution

The fourth proportional to 297,750.42, 446,670.27 and 87,363.54 is: 131,058.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,750.42 : 446,670.27 = 87,363.54 : x
  2. Step 2: Convert to fraction form
    297,750.42/446,670.27 = 87,363.54/x
  3. Step 3: Cross multiply
    297,750.42x = 446,670.27 × 87,363.54
  4. Step 4: Simplify right side
    297,750.42x = 39,022,695,999.96
  5. Step 5: Solve for x
    x = 39,022,695,999.96/297,750.42
  6. Step 6: Final answer
    x = 131,058.41

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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.