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Finding the Fourth Proportional to 326,512.80, 450,556.56 and 183,240

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Solution

The fourth proportional to 326,512.80, 450,556.56 and 183,240 is: 252,853.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,512.80 : 450,556.56 = 183,240 : x
  2. Step 2: Convert to fraction form
    326,512.80/450,556.56 = 183,240/x
  3. Step 3: Cross multiply
    326,512.80x = 450,556.56 × 183,240
  4. Step 4: Simplify right side
    326,512.80x = 82,559,984,054.40
  5. Step 5: Solve for x
    x = 82,559,984,054.40/326,512.80
  6. Step 6: Final answer
    x = 252,853.74

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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.