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Finding the Fourth Proportional to 494,484.61, 741,481.44 and 157,481.32

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Solution

The fourth proportional to 494,484.61, 741,481.44 and 157,481.32 is: 236,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,484.61 : 741,481.44 = 157,481.32 : x
  2. Step 2: Convert to fraction form
    494,484.61/741,481.44 = 157,481.32/x
  3. Step 3: Cross multiply
    494,484.61x = 741,481.44 × 157,481.32
  4. Step 4: Simplify right side
    494,484.61x = 116,769,475,926.70
  5. Step 5: Solve for x
    x = 116,769,475,926.70/494,484.61
  6. Step 6: Final answer
    x = 236,143.80

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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.