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Finding the Fourth Proportional to 333,093.60, 499,394.16 and 172,939.59

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Solution

The fourth proportional to 333,093.60, 499,394.16 and 172,939.59 is: 259,281.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,093.60 : 499,394.16 = 172,939.59 : x
  2. Step 2: Convert to fraction form
    333,093.60/499,394.16 = 172,939.59/x
  3. Step 3: Cross multiply
    333,093.60x = 499,394.16 × 172,939.59
  4. Step 4: Simplify right side
    333,093.60x = 86,365,021,278.79
  5. Step 5: Solve for x
    x = 86,365,021,278.79/333,093.60
  6. Step 6: Final answer
    x = 259,281.54

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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.