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Finding the Fourth Proportional to 326,606.48, 450,686.10 and 183,338.54

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Solution

The fourth proportional to 326,606.48, 450,686.10 and 183,338.54 is: 252,989.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,606.48 : 450,686.10 = 183,338.54 : x
  2. Step 2: Convert to fraction form
    326,606.48/450,686.10 = 183,338.54/x
  3. Step 3: Cross multiply
    326,606.48x = 450,686.10 × 183,338.54
  4. Step 4: Simplify right side
    326,606.48x = 82,628,131,572.29
  5. Step 5: Solve for x
    x = 82,628,131,572.29/326,606.48
  6. Step 6: Final answer
    x = 252,989.87

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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.