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Finding the Fourth Proportional to 326,463.81, 450,564.02 and 183,231.69

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Solution

The fourth proportional to 326,463.81, 450,564.02 and 183,231.69 is: 252,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,463.81 : 450,564.02 = 183,231.69 : x
  2. Step 2: Convert to fraction form
    326,463.81/450,564.02 = 183,231.69/x
  3. Step 3: Cross multiply
    326,463.81x = 450,564.02 × 183,231.69
  4. Step 4: Simplify right side
    326,463.81x = 82,557,606,837.79
  5. Step 5: Solve for x
    x = 82,557,606,837.79/326,463.81
  6. Step 6: Final answer
    x = 252,884.41

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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.