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Finding the Fourth Proportional to 356,234.60, 491,594.22 and 203,270.01

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Solution

The fourth proportional to 356,234.60, 491,594.22 and 203,270.01 is: 280,507.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,234.60 : 491,594.22 = 203,270.01 : x
  2. Step 2: Convert to fraction form
    356,234.60/491,594.22 = 203,270.01/x
  3. Step 3: Cross multiply
    356,234.60x = 491,594.22 × 203,270.01
  4. Step 4: Simplify right side
    356,234.60x = 99,926,360,786.36
  5. Step 5: Solve for x
    x = 99,926,360,786.36/356,234.60
  6. Step 6: Final answer
    x = 280,507.18

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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.