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Finding the Fourth Proportional to 339,750.42, 468,845.73 and 186,788.91

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Solution

The fourth proportional to 339,750.42, 468,845.73 and 186,788.91 is: 257,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,750.42 : 468,845.73 = 186,788.91 : x
  2. Step 2: Convert to fraction form
    339,750.42/468,845.73 = 186,788.91/x
  3. Step 3: Cross multiply
    339,750.42x = 468,845.73 × 186,788.91
  4. Step 4: Simplify right side
    339,750.42x = 87,575,182,864.85
  5. Step 5: Solve for x
    x = 87,575,182,864.85/339,750.42
  6. Step 6: Final answer
    x = 257,763.28

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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.