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Finding the Fourth Proportional to 571,600.42, 857,317.15 and 166,683.83

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Solution

The fourth proportional to 571,600.42, 857,317.15 and 166,683.83 is: 250,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,600.42 : 857,317.15 = 166,683.83 : x
  2. Step 2: Convert to fraction form
    571,600.42/857,317.15 = 166,683.83/x
  3. Step 3: Cross multiply
    571,600.42x = 857,317.15 × 166,683.83
  4. Step 4: Simplify right side
    571,600.42x = 142,900,906,086.68
  5. Step 5: Solve for x
    x = 142,900,906,086.68/571,600.42
  6. Step 6: Final answer
    x = 250,001.40

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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.