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Finding the Fourth Proportional to 307,673.22, 424,610.32 and 171,733.62

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Solution

The fourth proportional to 307,673.22, 424,610.32 and 171,733.62 is: 237,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,673.22 : 424,610.32 = 171,733.62 : x
  2. Step 2: Convert to fraction form
    307,673.22/424,610.32 = 171,733.62/x
  3. Step 3: Cross multiply
    307,673.22x = 424,610.32 × 171,733.62
  4. Step 4: Simplify right side
    307,673.22x = 72,919,867,342.96
  5. Step 5: Solve for x
    x = 72,919,867,342.96/307,673.22
  6. Step 6: Final answer
    x = 237,004.27

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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.