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Finding the Fourth Proportional to 372,481.47, 558,629.64 and 106,244.28

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Solution

The fourth proportional to 372,481.47, 558,629.64 and 106,244.28 is: 159,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,481.47 : 558,629.64 = 106,244.28 : x
  2. Step 2: Convert to fraction form
    372,481.47/558,629.64 = 106,244.28/x
  3. Step 3: Cross multiply
    372,481.47x = 558,629.64 × 106,244.28
  4. Step 4: Simplify right side
    372,481.47x = 59,351,203,888.46
  5. Step 5: Solve for x
    x = 59,351,203,888.46/372,481.47
  6. Step 6: Final answer
    x = 159,340.02

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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.