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Finding the Fourth Proportional to 616,188.56, 850,357.53 and 344,286.41

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Solution

The fourth proportional to 616,188.56, 850,357.53 and 344,286.41 is: 475,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,188.56 : 850,357.53 = 344,286.41 : x
  2. Step 2: Convert to fraction form
    616,188.56/850,357.53 = 344,286.41/x
  3. Step 3: Cross multiply
    616,188.56x = 850,357.53 × 344,286.41
  4. Step 4: Simplify right side
    616,188.56x = 292,766,539,498.74
  5. Step 5: Solve for x
    x = 292,766,539,498.74/616,188.56
  6. Step 6: Final answer
    x = 475,124.92

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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.