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Finding the Fourth Proportional to 331,595.94, 457,587.72 and 188,353.92

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Solution

The fourth proportional to 331,595.94, 457,587.72 and 188,353.92 is: 259,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,595.94 : 457,587.72 = 188,353.92 : x
  2. Step 2: Convert to fraction form
    331,595.94/457,587.72 = 188,353.92/x
  3. Step 3: Cross multiply
    331,595.94x = 457,587.72 × 188,353.92
  4. Step 4: Simplify right side
    331,595.94x = 86,188,440,805.86
  5. Step 5: Solve for x
    x = 86,188,440,805.86/331,595.94
  6. Step 6: Final answer
    x = 259,920.07

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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.