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Finding the Fourth Proportional to 297,861.40, 446,792.10 and 131,973.40

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Solution

The fourth proportional to 297,861.40, 446,792.10 and 131,973.40 is: 197,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,861.40 : 446,792.10 = 131,973.40 : x
  2. Step 2: Convert to fraction form
    297,861.40/446,792.10 = 131,973.40/x
  3. Step 3: Cross multiply
    297,861.40x = 446,792.10 × 131,973.40
  4. Step 4: Simplify right side
    297,861.40x = 58,964,672,530.14
  5. Step 5: Solve for x
    x = 58,964,672,530.14/297,861.40
  6. Step 6: Final answer
    x = 197,960.10

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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.