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Finding the Fourth Proportional to 616,190.56, 850,327.31 and 344,260.50

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Solution

The fourth proportional to 616,190.56, 850,327.31 and 344,260.50 is: 475,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,190.56 : 850,327.31 = 344,260.50 : x
  2. Step 2: Convert to fraction form
    616,190.56/850,327.31 = 344,260.50/x
  3. Step 3: Cross multiply
    616,190.56x = 850,327.31 × 344,260.50
  4. Step 4: Simplify right side
    616,190.56x = 292,734,104,904.26
  5. Step 5: Solve for x
    x = 292,734,104,904.26/616,190.56
  6. Step 6: Final answer
    x = 475,070.74

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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.