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Finding the Fourth Proportional to 508,383.27, 762,407.73 and 171,333.09

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Solution

The fourth proportional to 508,383.27, 762,407.73 and 171,333.09 is: 256,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,383.27 : 762,407.73 = 171,333.09 : x
  2. Step 2: Convert to fraction form
    508,383.27/762,407.73 = 171,333.09/x
  3. Step 3: Cross multiply
    508,383.27x = 762,407.73 × 171,333.09
  4. Step 4: Simplify right side
    508,383.27x = 130,625,672,220.79
  5. Step 5: Solve for x
    x = 130,625,672,220.79/508,383.27
  6. Step 6: Final answer
    x = 256,943.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.