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Finding the Fourth Proportional to 356,203.72, 491,566.62 and 195,056.20

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Solution

The fourth proportional to 356,203.72, 491,566.62 and 195,056.20 is: 269,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,203.72 : 491,566.62 = 195,056.20 : x
  2. Step 2: Convert to fraction form
    356,203.72/491,566.62 = 195,056.20/x
  3. Step 3: Cross multiply
    356,203.72x = 491,566.62 × 195,056.20
  4. Step 4: Simplify right side
    356,203.72x = 95,883,116,944.04
  5. Step 5: Solve for x
    x = 95,883,116,944.04/356,203.72
  6. Step 6: Final answer
    x = 269,180.56

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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.