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Finding the Fourth Proportional to 326,906.71, 451,142.81 and 183,663.88

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Solution

The fourth proportional to 326,906.71, 451,142.81 and 183,663.88 is: 253,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,906.71 : 451,142.81 = 183,663.88 : x
  2. Step 2: Convert to fraction form
    326,906.71/451,142.81 = 183,663.88/x
  3. Step 3: Cross multiply
    326,906.71x = 451,142.81 × 183,663.88
  4. Step 4: Simplify right side
    326,906.71x = 82,858,638,000.38
  5. Step 5: Solve for x
    x = 82,858,638,000.38/326,906.71
  6. Step 6: Final answer
    x = 253,462.64

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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.