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Finding the Fourth Proportional to 292,861.56, 404,480.70 and 197,202.12

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Solution

The fourth proportional to 292,861.56, 404,480.70 and 197,202.12 is: 272,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,861.56 : 404,480.70 = 197,202.12 : x
  2. Step 2: Convert to fraction form
    292,861.56/404,480.70 = 197,202.12/x
  3. Step 3: Cross multiply
    292,861.56x = 404,480.70 × 197,202.12
  4. Step 4: Simplify right side
    292,861.56x = 79,764,451,539.08
  5. Step 5: Solve for x
    x = 79,764,451,539.08/292,861.56
  6. Step 6: Final answer
    x = 272,362.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.