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Finding the Fourth Proportional to 339,744.53, 468,835.50 and 186,781.61

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Solution

The fourth proportional to 339,744.53, 468,835.50 and 186,781.61 is: 257,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,744.53 : 468,835.50 = 186,781.61 : x
  2. Step 2: Convert to fraction form
    339,744.53/468,835.50 = 186,781.61/x
  3. Step 3: Cross multiply
    339,744.53x = 468,835.50 × 186,781.61
  4. Step 4: Simplify right side
    339,744.53x = 87,569,851,387.67
  5. Step 5: Solve for x
    x = 87,569,851,387.67/339,744.53
  6. Step 6: Final answer
    x = 257,752.05

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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.