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Finding the Fourth Proportional to 372,504.60, 558,843.66 and 106,268.76

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Solution

The fourth proportional to 372,504.60, 558,843.66 and 106,268.76 is: 159,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,504.60 : 558,843.66 = 106,268.76 : x
  2. Step 2: Convert to fraction form
    372,504.60/558,843.66 = 106,268.76/x
  3. Step 3: Cross multiply
    372,504.60x = 558,843.66 × 106,268.76
  4. Step 4: Simplify right side
    372,504.60x = 59,387,622,782.06
  5. Step 5: Solve for x
    x = 59,387,622,782.06/372,504.60
  6. Step 6: Final answer
    x = 159,427.89

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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.