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Finding the Fourth Proportional to 332,015.86, 458,135.64 and 188,760.07

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Solution

The fourth proportional to 332,015.86, 458,135.64 and 188,760.07 is: 260,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,015.86 : 458,135.64 = 188,760.07 : x
  2. Step 2: Convert to fraction form
    332,015.86/458,135.64 = 188,760.07/x
  3. Step 3: Cross multiply
    332,015.86x = 458,135.64 × 188,760.07
  4. Step 4: Simplify right side
    332,015.86x = 86,477,715,475.89
  5. Step 5: Solve for x
    x = 86,477,715,475.89/332,015.86
  6. Step 6: Final answer
    x = 260,462.60

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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.