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Finding the Fourth Proportional to 326,954.17, 451,182.36 and 191,000.71

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Solution

The fourth proportional to 326,954.17, 451,182.36 and 191,000.71 is: 263,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,954.17 : 451,182.36 = 191,000.71 : x
  2. Step 2: Convert to fraction form
    326,954.17/451,182.36 = 191,000.71/x
  3. Step 3: Cross multiply
    326,954.17x = 451,182.36 × 191,000.71
  4. Step 4: Simplify right side
    326,954.17x = 86,176,151,099.48
  5. Step 5: Solve for x
    x = 86,176,151,099.48/326,954.17
  6. Step 6: Final answer
    x = 263,572.57

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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.