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Finding the Fourth Proportional to 326,998.46, 451,259.43 and 191,040.14

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Solution

The fourth proportional to 326,998.46, 451,259.43 and 191,040.14 is: 263,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,998.46 : 451,259.43 = 191,040.14 : x
  2. Step 2: Convert to fraction form
    326,998.46/451,259.43 = 191,040.14/x
  3. Step 3: Cross multiply
    326,998.46x = 451,259.43 × 191,040.14
  4. Step 4: Simplify right side
    326,998.46x = 86,208,664,683.52
  5. Step 5: Solve for x
    x = 86,208,664,683.52/326,998.46
  6. Step 6: Final answer
    x = 263,636.30

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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.