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Finding the Fourth Proportional to 297,732.80, 446,656.80 and 131,520.32

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Solution

The fourth proportional to 297,732.80, 446,656.80 and 131,520.32 is: 197,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,732.80 : 446,656.80 = 131,520.32 : x
  2. Step 2: Convert to fraction form
    297,732.80/446,656.80 = 131,520.32/x
  3. Step 3: Cross multiply
    297,732.80x = 446,656.80 × 131,520.32
  4. Step 4: Simplify right side
    297,732.80x = 58,744,445,266.18
  5. Step 5: Solve for x
    x = 58,744,445,266.18/297,732.80
  6. Step 6: Final answer
    x = 197,305.92

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1.5x scale

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.