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Finding the Fourth Proportional to 326,958.57, 451,243.14 and 183,715.50

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Solution

The fourth proportional to 326,958.57, 451,243.14 and 183,715.50 is: 253,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,958.57 : 451,243.14 = 183,715.50 : x
  2. Step 2: Convert to fraction form
    326,958.57/451,243.14 = 183,715.50/x
  3. Step 3: Cross multiply
    326,958.57x = 451,243.14 × 183,715.50
  4. Step 4: Simplify right side
    326,958.57x = 82,900,359,086.67
  5. Step 5: Solve for x
    x = 82,900,359,086.67/326,958.57
  6. Step 6: Final answer
    x = 253,550.04

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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.