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Finding the Fourth Proportional to 307,582.68, 424,452.24 and 171,609.60

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Solution

The fourth proportional to 307,582.68, 424,452.24 and 171,609.60 is: 236,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,582.68 : 424,452.24 = 171,609.60 : x
  2. Step 2: Convert to fraction form
    307,582.68/424,452.24 = 171,609.60/x
  3. Step 3: Cross multiply
    307,582.68x = 424,452.24 × 171,609.60
  4. Step 4: Simplify right side
    307,582.68x = 72,840,079,125.50
  5. Step 5: Solve for x
    x = 72,840,079,125.50/307,582.68
  6. Step 6: Final answer
    x = 236,814.63

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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.