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Finding the Fourth Proportional to 326,909.51, 451,133.39 and 183,668.30

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Solution

The fourth proportional to 326,909.51, 451,133.39 and 183,668.30 is: 253,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,909.51 : 451,133.39 = 183,668.30 : x
  2. Step 2: Convert to fraction form
    326,909.51/451,133.39 = 183,668.30/x
  3. Step 3: Cross multiply
    326,909.51x = 451,133.39 × 183,668.30
  4. Step 4: Simplify right side
    326,909.51x = 82,858,902,814.54
  5. Step 5: Solve for x
    x = 82,858,902,814.54/326,909.51
  6. Step 6: Final answer
    x = 253,461.28

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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.