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Finding the Fourth Proportional to 297,608.64, 446,412.96 and 131,363.52

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Solution

The fourth proportional to 297,608.64, 446,412.96 and 131,363.52 is: 197,045.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,608.64 : 446,412.96 = 131,363.52 : x
  2. Step 2: Convert to fraction form
    297,608.64/446,412.96 = 131,363.52/x
  3. Step 3: Cross multiply
    297,608.64x = 446,412.96 × 131,363.52
  4. Step 4: Simplify right side
    297,608.64x = 58,642,377,799.22
  5. Step 5: Solve for x
    x = 58,642,377,799.22/297,608.64
  6. Step 6: Final answer
    x = 197,045.28

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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.