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Finding the Fourth Proportional to 332,837.34, 499,380.72 and 172,813.38

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Solution

The fourth proportional to 332,837.34, 499,380.72 and 172,813.38 is: 259,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,837.34 : 499,380.72 = 172,813.38 : x
  2. Step 2: Convert to fraction form
    332,837.34/499,380.72 = 172,813.38/x
  3. Step 3: Cross multiply
    332,837.34x = 499,380.72 × 172,813.38
  4. Step 4: Simplify right side
    332,837.34x = 86,299,670,130.03
  5. Step 5: Solve for x
    x = 86,299,670,130.03/332,837.34
  6. Step 6: Final answer
    x = 259,284.82

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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.