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Finding the Fourth Proportional to 328,954.37, 453,958.38 and 178,051.37

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Solution

The fourth proportional to 328,954.37, 453,958.38 and 178,051.37 is: 245,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,954.37 : 453,958.38 = 178,051.37 : x
  2. Step 2: Convert to fraction form
    328,954.37/453,958.38 = 178,051.37/x
  3. Step 3: Cross multiply
    328,954.37x = 453,958.38 × 178,051.37
  4. Step 4: Simplify right side
    328,954.37x = 80,827,909,212.19
  5. Step 5: Solve for x
    x = 80,827,909,212.19/328,954.37
  6. Step 6: Final answer
    x = 245,711.62

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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.