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Finding the Fourth Proportional to 326,905.82, 451,105.44 and 183,637.88

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Solution

The fourth proportional to 326,905.82, 451,105.44 and 183,637.88 is: 253,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,905.82 : 451,105.44 = 183,637.88 : x
  2. Step 2: Convert to fraction form
    326,905.82/451,105.44 = 183,637.88/x
  3. Step 3: Cross multiply
    326,905.82x = 451,105.44 × 183,637.88
  4. Step 4: Simplify right side
    326,905.82x = 82,840,046,658.07
  5. Step 5: Solve for x
    x = 82,840,046,658.07/326,905.82
  6. Step 6: Final answer
    x = 253,406.46

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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.