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Finding the Fourth Proportional to 356,299.60, 491,693.34 and 195,164.68

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Solution

The fourth proportional to 356,299.60, 491,693.34 and 195,164.68 is: 269,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,299.60 : 491,693.34 = 195,164.68 : x
  2. Step 2: Convert to fraction form
    356,299.60/491,693.34 = 195,164.68/x
  3. Step 3: Cross multiply
    356,299.60x = 491,693.34 × 195,164.68
  4. Step 4: Simplify right side
    356,299.60x = 95,961,173,359.23
  5. Step 5: Solve for x
    x = 95,961,173,359.23/356,299.60
  6. Step 6: Final answer
    x = 269,327.20

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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.